31744996 has 12 divisors (see below), whose sum is σ = 56127148. Its totient is φ = 15708672.

The previous prime is 31744987. The next prime is 31744997. The reversal of 31744996 is 69944713.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 25644096 = 2470^2 + 5064^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31744997) by changing a digit.

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, 40521 + ... + 41296.

Almost surely, 2^31744996 is an apocalyptic number.

It is an amenable number.

31744996 is a deficient number, since it is larger than the sum of its proper divisors (24382152).

31744996 is a wasteful number, since it uses less digits than its factorization.

31744996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81918 (or 81916 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 31744996 is about 5634.2697840980. The cubic root of 31744996 is about 316.6346402822.

The spelling of 31744996 in words is "thirty-one million, seven hundred forty-four thousand, nine hundred ninety-six".