31264552 has 32 divisors (see below), whose sum is σ = 66160800. Its totient is φ = 13720000.

The previous prime is 31264511. The next prime is 31264553. The reversal of 31264552 is 25546213.

It is a self number, because there is not a number n which added to its sum of digits gives 31264552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31264553) by changing a digit.

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, 3574 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (2067525).

Almost surely, 2^31264552 is an apocalyptic number.

It is an amenable number.

31264552 is an abundant number, since it is smaller than the sum of its proper divisors (34896248).

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

31264552 is a wasteful number, since it uses less digits than its factorization.

31264552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12297 (or 12293 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 31264552 is about 5591.4713627095. The cubic root of 31264552 is about 315.0291465430.

The spelling of 31264552 in words is "thirty-one million, two hundred sixty-four thousand, five hundred fifty-two".