100931312 has 20 divisors (see below), whose sum is σ = 207058176. Its totient is φ = 47496960.

The previous prime is 100931297. The next prime is 100931317. The reversal of 100931312 is 213139001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100931317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185264 + ... + 185807.

Almost surely, 2^100931312 is an apocalyptic number.

It is an amenable number.

100931312 is an abundant number, since it is smaller than the sum of its proper divisors (106126864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100931312 is a wasteful number, since it uses less digits than its factorization.

100931312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371096 (or 371090 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 100931312 is about 10046.4576841790. The cubic root of 100931312 is about 465.5953556612.

The spelling of 100931312 in words is "one hundred million, nine hundred thirty-one thousand, three hundred twelve".