31064530 has 24 divisors (see below), whose sum is σ = 65046348. Its totient is φ = 10650528.

The previous prime is 31064521. The next prime is 31064543. The reversal of 31064530 is 3546013.

It can be written as a sum of positive squares in 2 ways, for example, as 30503529 + 561001 = 5523^2 + 749^2 .

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 11 ways as a sum of consecutive naturals, for example, 31209 + ... + 32188.

Almost surely, 2^31064530 is an apocalyptic number.

31064530 is an abundant number, since it is smaller than the sum of its proper divisors (33981818).

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

31064530 is a wasteful number, since it uses less digits than its factorization.

31064530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63418 (or 63411 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 31064530 is about 5573.5563153161. The cubic root of 31064530 is about 314.3558854532.

The spelling of 31064530 in words is "thirty-one million, sixty-four thousand, five hundred thirty".