31694132 has 12 divisors (see below), whose sum is σ = 55504260. Its totient is φ = 15835776.

The previous prime is 31694123. The next prime is 31694141. The reversal of 31694132 is 23149613.

It is an interprime number because it is at equal distance from previous prime (31694123) and next prime (31694141).

It can be written as a sum of positive squares in 2 ways, for example, as 21492496 + 10201636 = 4636^2 + 3194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31694095 and 31694104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (4625355).

Almost surely, 2^31694132 is an apocalyptic number.

It is an amenable number.

31694132 is a deficient number, since it is larger than the sum of its proper divisors (23810128).

31694132 is a wasteful number, since it uses less digits than its factorization.

31694132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5648 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 31694132 is about 5629.7541687004. The cubic root of 31694132 is about 316.4654386682.

The spelling of 31694132 in words is "thirty-one million, six hundred ninety-four thousand, one hundred thirty-two".