31668950 has 12 divisors (see below), whose sum is σ = 58904340. Its totient is φ = 12667560.

The previous prime is 31668937. The next prime is 31668961. The reversal of 31668950 is 5986613.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316640 + ... + 316739.

It is an arithmetic number, because the mean of its divisors is an integer number (4908695).

Almost surely, 2^31668950 is an apocalyptic number.

31668950 is a deficient number, since it is larger than the sum of its proper divisors (27235390).

31668950 is a wasteful number, since it uses less digits than its factorization.

31668950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633391 (or 633386 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 31668950 is about 5627.5172145450. The cubic root of 31668950 is about 316.3816024950.

The spelling of 31668950 in words is "thirty-one million, six hundred sixty-eight thousand, nine hundred fifty".