31666052 has 12 divisors (see below), whose sum is σ = 60453456. Its totient is φ = 14393640.

The previous prime is 31666049. The next prime is 31666099. The reversal of 31666052 is 25066613.

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 in 3 ways as a sum of consecutive naturals, for example, 359798 + ... + 359885.

It is an arithmetic number, because the mean of its divisors is an integer number (5037788).

Almost surely, 2^31666052 is an apocalyptic number.

It is an amenable number.

31666052 is a deficient number, since it is larger than the sum of its proper divisors (28787404).

31666052 is a wasteful number, since it uses less digits than its factorization.

31666052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719698 (or 719696 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 31666052 is about 5627.2597238798. The cubic root of 31666052 is about 316.3719515925.

The spelling of 31666052 in words is "thirty-one million, six hundred sixty-six thousand, fifty-two".