100274931 has 12 divisors (see below), whose sum is σ = 144974752. Its totient is φ = 66788496.

The previous prime is 100274927. The next prime is 100274969. The reversal of 100274931 is 139472001.

It is not a de Polignac number, because 100274931 - 2² = 100274927 is a prime.

It is a super-2 number, since 2×100274931² = 20110123574109522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100274895 and 100274904.

It is not an unprimeable number, because it can be changed into a prime (100274131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6630 + ... + 15636.

Almost surely, 2^100274931 is an apocalyptic number.

100274931 is a deficient number, since it is larger than the sum of its proper divisors (44699821).

100274931 is a wasteful number, since it uses less digits than its factorization.

100274931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250 (or 10247 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 100274931 is about 10013.7371145841. The cubic root of 100274931 is about 464.5838663488.

The spelling of 100274931 in words is "one hundred million, two hundred seventy-four thousand, nine hundred thirty-one".