31064532 has 12 divisors (see below), whose sum is σ = 72483936. Its totient is φ = 10354840.

The previous prime is 31064521. The next prime is 31064543. The reversal of 31064532 is 23546013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31064521) and next prime (31064543).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294344 + ... + 1294367.

It is an arithmetic number, because the mean of its divisors is an integer number (6040328).

Almost surely, 2^31064532 is an apocalyptic number.

It is an amenable number.

31064532 is an abundant number, since it is smaller than the sum of its proper divisors (41419404).

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

31064532 is a wasteful number, since it uses less digits than its factorization.

31064532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588718 (or 2588716 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 31064532 is about 5573.5564947348. The cubic root of 31064532 is about 314.3558921995.

The spelling of 31064532 in words is "thirty-one million, sixty-four thousand, five hundred thirty-two".