31868304 has 40 divisors (see below), whose sum is σ = 88660992. Its totient is φ = 9805440.

The previous prime is 31868299. The next prime is 31868311. The reversal of 31868304 is 40386813.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24912 + ... + 26159.

Almost surely, 2^31868304 is an apocalyptic number.

It is an amenable number.

31868304 is an abundant number, since it is smaller than the sum of its proper divisors (56792688).

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

31868304 is a wasteful number, since it uses less digits than its factorization.

31868304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51095 (or 51089 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 31868304 is about 5645.2018564441. The cubic root of 31868304 is about 317.0440816140.

The spelling of 31868304 in words is "thirty-one million, eight hundred sixty-eight thousand, three hundred four".