31996452 has 24 divisors (see below), whose sum is σ = 75884032. Its totient is φ = 10490400.

The previous prime is 31996451. The next prime is 31996457. The reversal of 31996452 is 25469913.

It is a self number, because there is not a number n which added to its sum of digits gives 31996452.

It is not an unprimeable number, because it can be changed into a prime (31996451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21124 + ... + 22587.

Almost surely, 2^31996452 is an apocalyptic number.

It is an amenable number.

31996452 is an abundant number, since it is smaller than the sum of its proper divisors (43887580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31996452 is a wasteful number, since it uses less digits than its factorization.

31996452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43779 (or 43777 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 31996452 is about 5656.5406389418. The cubic root of 31996452 is about 317.4684764205.

The spelling of 31996452 in words is "thirty-one million, nine hundred ninety-six thousand, four hundred fifty-two".