31472908 has 12 divisors (see below), whose sum is σ = 55156192. Its totient is φ = 15714000.

The previous prime is 31472891. The next prime is 31472927. The reversal of 31472908 is 80927413.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2235 + ... + 8242.

Almost surely, 2^31472908 is an apocalyptic number.

It is an amenable number.

31472908 is a deficient number, since it is larger than the sum of its proper divisors (23683284).

31472908 is a wasteful number, since it uses less digits than its factorization.

31472908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232 (or 11230 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 31472908 is about 5610.0720137980. The cubic root of 31472908 is about 315.7274127418.

The spelling of 31472908 in words is "thirty-one million, four hundred seventy-two thousand, nine hundred eight".