31268056 has 16 divisors (see below), whose sum is σ = 58705200. Its totient is φ = 15613344.

The previous prime is 31268011. The next prime is 31268059. The reversal of 31268056 is 65086213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31268059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5226 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (3669075).

Almost surely, 2^31268056 is an apocalyptic number.

It is an amenable number.

31268056 is a deficient number, since it is larger than the sum of its proper divisors (27437144).

31268056 is a wasteful number, since it uses less digits than its factorization.

31268056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 31268056 is about 5591.7846882726. The cubic root of 31268056 is about 315.0409151523.

The spelling of 31268056 in words is "thirty-one million, two hundred sixty-eight thousand, fifty-six".