31,381,180

2² × 5 × 37 × 42407

31,381,180 factors as 2^2 × 5 × 37 × 42407. Its 24 positive divisors give a proper-divisor sum of 36,301,988, so this integer is abundant. The Collatz stopping time is 100 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 37 × 42407

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 67,683,168

Proper Divisor Sum 36,301,988

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #31381171 ← → #31381187

Radix Representation

Decimal	31381180
Binary	1110111101101011010111100 (25 bits)
Octal	0o167553274
Hexadecimal	0x1DED6BC

Divisor Catalog (24)

Collatz Trajectory (100 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

31,381,180 15,690,590 7,845,295 23,535,886 11,767,943 35,303,830 17,651,915 52,955,746 26,477,873 79,433,620 39,716,810 19,858,405 59,575,216 29,787,608 14,893,804 7,446,902 3,723,451 11,170,354 5,585,177 16,755,532 8,377,766 4,188,883 12,566,650 6,283,325 18,849,976 9,424,988 4,712,494 2,356,247 7,068,742 3,534,371 10,603,114 5,301,557 15,904,672 7,952,336 3,976,168 1,988,084 994,042 497,021 1,491,064 745,532 372,766 186,383 559,150 279,575 838,726 419,363 1,258,090 629,045 1,887,136 943,568 471,784 235,892 117,946 58,973 176,920 88,460 44,230 22,115 66,346 33,173

More profiles

Browse other published profiles and their separate link collections.

Profile #8,342,168 Profile #1,146,956 Profile #9,712,347 Profile #6,573,969 Profile #965,653 Profile #4,620,983 Profile #853,259 Profile #1,288,150

← Previous Integer #31,381,179 Browse Full Index Next Integer #31,381,181 →