31,015,898

2 × 15507949

31,015,898 factors as 2 × 15507949. Its 4 positive divisors give a proper-divisor sum of 15,507,952, so this integer is deficient. The Collatz stopping time is 219 steps.

Prime Factor Structure

Factorization String 2 × 15507949

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 46,523,850

Proper Divisor Sum 15,507,952

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #31015889 ← → #31015921

Radix Representation

Decimal	31015898
Binary	1110110010100001111011010 (25 bits)
Octal	0o166241732
Hexadecimal	0x1D943DA

Divisor Catalog (4)

1 2 15,507,949 31,015,898

Collatz Trajectory (219 steps to reach 1)

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

31,015,898 15,507,949 46,523,848 23,261,924 11,630,962 5,815,481 17,446,444 8,723,222 4,361,611 13,084,834 6,542,417 19,627,252 9,813,626 4,906,813 14,720,440 7,360,220 3,680,110 1,840,055 5,520,166 2,760,083 8,280,250 4,140,125 12,420,376 6,210,188 3,105,094 1,552,547 4,657,642 2,328,821 6,986,464 3,493,232 1,746,616 873,308 436,654 218,327 654,982 327,491 982,474 491,237 1,473,712 736,856 368,428 184,214 92,107 276,322 138,161 414,484 207,242 103,621 310,864 155,432 77,716 38,858 19,429 58,288 29,144 14,572 7,286 3,643 10,930 5,465

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