31043404332 has 24 divisors (see below), whose sum is σ = 80482900400. Its totient is φ = 10347801408.

The previous prime is 31043404321. The next prime is 31043404349. The reversal of 31043404332 is 23340434013.

31043404332 is a `hidden beast` number, since 310 + 4 + 340 + 4 + 3 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31043404296 and 31043404305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143719357 + ... + 143719572.

Almost surely, 2^31043404332 is an apocalyptic number.

It is an amenable number.

31043404332 is an abundant number, since it is smaller than the sum of its proper divisors (49439496068).

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

31043404332 is a wasteful number, since it uses less digits than its factorization.

31043404332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287438942 (or 287438934 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31043404332 its reverse (23340434013), we get a palindrome (54383838345).

The spelling of 31043404332 in words is "thirty-one billion, forty-three million, four hundred four thousand, three hundred thirty-two".