31268004 has 24 divisors (see below), whose sum is σ = 73607520. Its totient is φ = 10329984.

The previous prime is 31267979. The next prime is 31268011. The reversal of 31268004 is 40086213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10174 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (3066980).

Almost surely, 2^31268004 is an apocalyptic number.

It is an amenable number.

31268004 is an abundant number, since it is smaller than the sum of its proper divisors (42339516).

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

31268004 is a wasteful number, since it uses less digits than its factorization.

31268004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179 (or 23177 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 31268004 is about 5591.7800385924. The cubic root of 31268004 is about 315.0407405104.

The spelling of 31268004 in words is "thirty-one million, two hundred sixty-eight thousand, four".