100256933931 has 48 divisors (see below), whose sum is σ = 171287504640. Its totient is φ = 50673755520.

The previous prime is 100256933923. The next prime is 100256934061. The reversal of 100256933931 is 139339652001.

It is not a de Polignac number, because 100256933931 - 2³ = 100256933923 is a prime.

It is a super-2 number, since 2×100256933931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100256933731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157725 + ... + 474753.

It is an arithmetic number, because the mean of its divisors is an integer number (3568489680).

Almost surely, 2^100256933931 is an apocalyptic number.

100256933931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100256933931 is a deficient number, since it is larger than the sum of its proper divisors (71030570709).

100256933931 is a wasteful number, since it uses less digits than its factorization.

100256933931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317124 (or 317087 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The spelling of 100256933931 in words is "one hundred billion, two hundred fifty-six million, nine hundred thirty-three thousand, nine hundred thirty-one".