31,473,142

2 × 15736571

31,473,142 factors as 2 × 15736571. Its 4 positive divisors give a proper-divisor sum of 15,736,574, so this integer is deficient. The Collatz stopping time is 157 steps.

Prime Factor Structure

Factorization String 2 × 15736571

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 47,209,716

Proper Divisor Sum 15,736,574

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #31473109 ← → #31473151

Radix Representation

Decimal	31473142
Binary	1111000000011110111110110 (25 bits)
Octal	0o170036766
Hexadecimal	0x1E03DF6

Divisor Catalog (4)

1 2 15,736,571 31,473,142

Collatz Trajectory (157 steps to reach 1)

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

31,473,142 15,736,571 47,209,714 23,604,857 70,814,572 35,407,286 17,703,643 53,110,930 26,555,465 79,666,396 39,833,198 19,916,599 59,749,798 29,874,899 89,624,698 44,812,349 134,437,048 67,218,524 33,609,262 16,804,631 50,413,894 25,206,947 75,620,842 37,810,421 113,431,264 56,715,632 28,357,816 14,178,908 7,089,454 3,544,727 10,634,182 5,317,091 15,951,274 7,975,637 23,926,912 11,963,456 5,981,728 2,990,864 1,495,432 747,716 373,858 186,929 560,788 280,394 140,197 420,592 210,296 105,148 52,574 26,287 78,862 39,431 118,294 59,147 177,442 88,721 266,164 133,082 66,541 199,624

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