31008868 has 12 divisors (see below), whose sum is σ = 59198832. Its totient is φ = 14094920.

The previous prime is 31008851. The next prime is 31008889. The reversal of 31008868 is 86880013.

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, 352330 + ... + 352417.

It is an arithmetic number, because the mean of its divisors is an integer number (4933236).

Almost surely, 2^31008868 is an apocalyptic number.

It is an amenable number.

31008868 is a deficient number, since it is larger than the sum of its proper divisors (28189964).

31008868 is a wasteful number, since it uses less digits than its factorization.

31008868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704762 (or 704760 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 31008868 is about 5568.5606757941. The cubic root of 31008868 is about 314.1680169678.

The spelling of 31008868 in words is "thirty-one million, eight thousand, eight hundred sixty-eight".