31214164 has 12 divisors (see below), whose sum is σ = 55316800. Its totient is φ = 15409368.

The previous prime is 31214153. The next prime is 31214167. The reversal of 31214164 is 46141213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214167) 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, 49074 + ... + 49705.

Almost surely, 2^31214164 is an apocalyptic number.

It is an amenable number.

31214164 is a deficient number, since it is larger than the sum of its proper divisors (24102636).

31214164 is a wasteful number, since it uses less digits than its factorization.

31214164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98862 (or 98860 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 31214164 is about 5586.9637550283. The cubic root of 31214164 is about 314.8598150055.

Adding to 31214164 its reverse (46141213), we get a palindrome (77355377).

The spelling of 31214164 in words is "thirty-one million, two hundred fourteen thousand, one hundred sixty-four".