31322323032 has 128 divisors (see below), whose sum is σ = 105137948160. Its totient is φ = 7509841920.

The previous prime is 31322323007. The next prime is 31322323051. The reversal of 31322323032 is 23032322313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 31322322993 and 31322323011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627873 + ... + 675920.

It is an arithmetic number, because the mean of its divisors is an integer number (821390220).

Almost surely, 2^31322323032 is an apocalyptic number.

It is an amenable number.

31322323032 is an abundant number, since it is smaller than the sum of its proper divisors (73815625128).

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

31322323032 is a wasteful number, since it uses less digits than its factorization.

31322323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303833 (or 1303829 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31322323032 its reverse (23032322313), we get a palindrome (54354645345).

The spelling of 31322323032 in words is "thirty-one billion, three hundred twenty-two million, three hundred twenty-three thousand, thirty-two".