100157737831 has 4 divisors (see below), whose sum is σ = 102486987592. Its totient is φ = 97828488072.

The previous prime is 100157737817. The next prime is 100157737847. The reversal of 100157737831 is 138737751001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100157737831 is a prime.

It is a super-2 number, since 2×100157737831² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2329249717 = 100157737831 / (1 + 0 + 0 + 1 + 5 + 7 + 7 + 3 + 7 + 8 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100157737331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164624816 + ... + 1164624901.

It is an arithmetic number, because the mean of its divisors is an integer number (25621746898).

Almost surely, 2^100157737831 is an apocalyptic number.

100157737831 is a deficient number, since it is larger than the sum of its proper divisors (2329249761).

100157737831 is an equidigital number, since it uses as much as digits as its factorization.

100157737831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329249760.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 100157737831 in words is "one hundred billion, one hundred fifty-seven million, seven hundred thirty-seven thousand, eight hundred thirty-one".