31164252 has 48 divisors (see below), whose sum is σ = 83419392. Its totient is φ = 8870400.

The previous prime is 31164251. The next prime is 31164271. The reversal of 31164252 is 25246113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31164251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29127 + ... + 30177.

It is an arithmetic number, because the mean of its divisors is an integer number (1737904).

Almost surely, 2^31164252 is an apocalyptic number.

It is an amenable number.

31164252 is an abundant number, since it is smaller than the sum of its proper divisors (52255140).

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

31164252 is a wasteful number, since it uses less digits than its factorization.

31164252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1416 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 31164252 is about 5582.4951410637. The cubic root of 31164252 is about 314.6919033392.

The spelling of 31164252 in words is "thirty-one million, one hundred sixty-four thousand, two hundred fifty-two".