31694468 has 12 divisors (see below), whose sum is σ = 59731980. Its totient is φ = 14628192.

The previous prime is 31694449. The next prime is 31694491. The reversal of 31694468 is 86449613.

It can be written as a sum of positive squares in 2 ways, for example, as 19430464 + 12264004 = 4408^2 + 3502^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 304703 + ... + 304806.

It is an arithmetic number, because the mean of its divisors is an integer number (4977665).

Almost surely, 2^31694468 is an apocalyptic number.

It is an amenable number.

31694468 is a deficient number, since it is larger than the sum of its proper divisors (28037512).

31694468 is a wasteful number, since it uses less digits than its factorization.

31694468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609526 (or 609524 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 31694468 is about 5629.7840100665. The cubic root of 31694468 is about 316.4665569825.

The spelling of 31694468 in words is "thirty-one million, six hundred ninety-four thousand, four hundred sixty-eight".