31020113022 has 16 divisors (see below), whose sum is σ = 62456605200. Its totient is φ = 10270641152.

The previous prime is 31020112999. The next prime is 31020113063. The reversal of 31020113022 is 22031102013.

It is a junction number, because it is equal to n+sod(n) for n = 31020112992 and 31020113010.

It is a congruent number.

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, 17348163 + ... + 17349950.

It is an arithmetic number, because the mean of its divisors is an integer number (3903537825).

Almost surely, 2^31020113022 is an apocalyptic number.

31020113022 is an abundant number, since it is smaller than the sum of its proper divisors (31436492178).

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

31020113022 is a wasteful number, since it uses less digits than its factorization.

31020113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34698267.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31020113022 its reverse (22031102013), we get a palindrome (53051215035).

The spelling of 31020113022 in words is "thirty-one billion, twenty million, one hundred thirteen thousand, twenty-two".