31,445,871

3 × 79 × 277 × 479

31,445,871 factors as 3 × 79 × 277 × 479. Its 16 positive divisors give a proper-divisor sum of 11,254,929, so this integer is deficient. The Collatz stopping time is 144 steps.

Prime Factor Structure

Factorization String 3 × 79 × 277 × 479

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 42,700,800

Proper Divisor Sum 11,254,929

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #31445863 ← → #31445891

Radix Representation

Decimal	31445871
Binary	1110111111101001101101111 (25 bits)
Octal	0o167751557
Hexadecimal	0x1DFD36F

Divisor Catalog (16)

1 3 79 237 277 479 831 1,437 21,883 37,841 65,649 113,523 132,683 398,049 10,481,957 31,445,871

Collatz Trajectory (144 steps to reach 1)

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

31,445,871 94,337,614 47,168,807 141,506,422 70,753,211 212,259,634 106,129,817 318,389,452 159,194,726 79,597,363 238,792,090 119,396,045 358,188,136 179,094,068 89,547,034 44,773,517 134,320,552 67,160,276 33,580,138 16,790,069 50,370,208 25,185,104 12,592,552 6,296,276 3,148,138 1,574,069 4,722,208 2,361,104 1,180,552 590,276 295,138 147,569 442,708 221,354 110,677 332,032 166,016 83,008 41,504 20,752 10,376 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155

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