31064136 has 16 divisors (see below), whose sum is σ = 77660400. Its totient is φ = 10354704.

The previous prime is 31064119. The next prime is 31064179. The reversal of 31064136 is 63146013.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1294339 = 31064136 / (3 + 1 + 0 + 6 + 4 + 1 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647146 + ... + 647193.

It is an arithmetic number, because the mean of its divisors is an integer number (4853775).

Almost surely, 2^31064136 is an apocalyptic number.

It is an amenable number.

31064136 is an abundant number, since it is smaller than the sum of its proper divisors (46596264).

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

31064136 is a wasteful number, since it uses less digits than its factorization.

31064136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294348 (or 1294344 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 31064136 is about 5573.5209697282. The cubic root of 31064136 is about 314.3545564268.

It can be divided in two parts, 310 and 64136, that added together give a palindrome (64446).

The spelling of 31064136 in words is "thirty-one million, sixty-four thousand, one hundred thirty-six".