31376164 has 6 divisors (see below), whose sum is σ = 54908294. Its totient is φ = 15688080.

The previous prime is 31376153. The next prime is 31376171. The reversal of 31376164 is 46167313.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 1016064 = 5510^2 + 1008^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3922017 + ... + 3922024.

Almost surely, 2^31376164 is an apocalyptic number.

It is an amenable number.

31376164 is a deficient number, since it is larger than the sum of its proper divisors (23532130).

31376164 is a wasteful number, since it uses less digits than its factorization.

31376164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844045 (or 7844043 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 31376164 is about 5601.4430283633. The cubic root of 31376164 is about 315.4035777857.

The spelling of 31376164 in words is "thirty-one million, three hundred seventy-six thousand, one hundred sixty-four".