31004324022 has 48 divisors (see below), whose sum is σ = 75280919040. Its totient is φ = 8337293952.

The previous prime is 31004324017. The next prime is 31004324033. The reversal of 31004324022 is 22042340013.

It is a super-2 number, since 2×31004324022² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31004324022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1265022 + ... + 1289297.

It is an arithmetic number, because the mean of its divisors is an integer number (1568352480).

Almost surely, 2^31004324022 is an apocalyptic number.

31004324022 is an abundant number, since it is smaller than the sum of its proper divisors (44276595018).

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

31004324022 is a wasteful number, since it uses less digits than its factorization.

31004324022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554365 (or 2554348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31004324022 its reverse (22042340013), we get a palindrome (53046664035).

The spelling of 31004324022 in words is "thirty-one billion, four million, three hundred twenty-four thousand, twenty-two".