31314464 has 24 divisors (see below), whose sum is σ = 63641088. Its totient is φ = 15151680.

The previous prime is 31314457. The next prime is 31314473. The reversal of 31314464 is 46441313.

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, 14792 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (2651712).

Almost surely, 2^31314464 is an apocalyptic number.

It is an amenable number.

31314464 is an abundant number, since it is smaller than the sum of its proper divisors (32326624).

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

31314464 is a wasteful number, since it uses less digits than its factorization.

31314464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31608 (or 31600 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 31314464 is about 5595.9328087460. The cubic root of 31314464 is about 315.1966991847.

Adding to 31314464 its reverse (46441313), we get a palindrome (77755777).

The spelling of 31314464 in words is "thirty-one million, three hundred fourteen thousand, four hundred sixty-four".