31276868 has 12 divisors (see below), whose sum is σ = 62553792. Its totient is φ = 13404360.

The previous prime is 31276829. The next prime is 31276879. The reversal of 31276868 is 86867213.

It is a happy number.

31276868 is an admirable number.

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, 558488 + ... + 558543.

It is an arithmetic number, because the mean of its divisors is an integer number (5212816).

Almost surely, 2^31276868 is an apocalyptic number.

It is an amenable number.

31276868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31276868 is a wasteful number, since it uses less digits than its factorization.

31276868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117042 (or 1117040 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 31276868 is about 5592.5725744062. The cubic root of 31276868 is about 315.0705074386.

The spelling of 31276868 in words is "thirty-one million, two hundred seventy-six thousand, eight hundred sixty-eight".