31977096 has 16 divisors (see below), whose sum is σ = 79942800. Its totient is φ = 10659024.

The previous prime is 31977083. The next prime is 31977131. The reversal of 31977096 is 69077913.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666166 + ... + 666213.

It is an arithmetic number, because the mean of its divisors is an integer number (4996425).

Almost surely, 2^31977096 is an apocalyptic number.

It is an amenable number.

31977096 is an abundant number, since it is smaller than the sum of its proper divisors (47965704).

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

31977096 is a wasteful number, since it uses less digits than its factorization.

31977096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332388 (or 1332384 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 31977096 is about 5654.8294403987. The cubic root of 31977096 is about 317.4044468280.

The spelling of 31977096 in words is "thirty-one million, nine hundred seventy-seven thousand, ninety-six".