100117731057 has 16 divisors (see below), whose sum is σ = 134563479552. Its totient is φ = 66208741200.

The previous prime is 100117731023. The next prime is 100117731079. The reversal of 100117731057 is 750137711001.

It is not a de Polignac number, because 100117731057 - 2²⁶ = 100050622193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100117731097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782858 + ... + 2818604.

It is an arithmetic number, because the mean of its divisors is an integer number (8410217472).

Almost surely, 2^100117731057 is an apocalyptic number.

It is an amenable number.

100117731057 is a deficient number, since it is larger than the sum of its proper divisors (34445748495).

100117731057 is a wasteful number, since it uses less digits than its factorization.

100117731057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43228.

The product of its (nonzero) digits is 5145, while the sum is 33.

The spelling of 100117731057 in words is "one hundred billion, one hundred seventeen million, seven hundred thirty-one thousand, fifty-seven".