31066364 has 12 divisors (see below), whose sum is σ = 62132784. Its totient is φ = 13314144.

The previous prime is 31066363. The next prime is 31066379. The reversal of 31066364 is 46366013.

31066364 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31066363) 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 3 ways as a sum of consecutive naturals, for example, 554729 + ... + 554784.

It is an arithmetic number, because the mean of its divisors is an integer number (5177732).

Almost surely, 2^31066364 is an apocalyptic number.

It is an amenable number.

31066364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31066364 is a wasteful number, since it uses less digits than its factorization.

31066364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109524 (or 1109522 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 31066364 is about 5573.7208397981. The cubic root of 31066364 is about 314.3620716871.

The spelling of 31066364 in words is "thirty-one million, sixty-six thousand, three hundred sixty-four".