31868044 has 12 divisors (see below), whose sum is σ = 60059104. Its totient is φ = 14708304.

The previous prime is 31868027. The next prime is 31868051. The reversal of 31868044 is 44086813.

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, 306372 + ... + 306475.

Almost surely, 2^31868044 is an apocalyptic number.

It is an amenable number.

31868044 is a deficient number, since it is larger than the sum of its proper divisors (28191060).

31868044 is a wasteful number, since it uses less digits than its factorization.

31868044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612864 (or 612862 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 31868044 is about 5645.1788279912. The cubic root of 31868044 is about 317.0432194022.

The spelling of 31868044 in words is "thirty-one million, eight hundred sixty-eight thousand, forty-four".