31132301012022 has 48 divisors (see below), whose sum is σ = 72435290714352. Its totient is φ = 8894324275200.

The previous prime is 31132301012017. The next prime is 31132301012023. The reversal of 31132301012022 is 22021010323113.

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 31132301012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132301012023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557338 + ... + 7910450.

It is an arithmetic number, because the mean of its divisors is an integer number (1509068556549).

Almost surely, 2^{31132301012022} is an apocalyptic number.

31132301012022 is an abundant number, since it is smaller than the sum of its proper divisors (41302989702330).

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

31132301012022 is a wasteful number, since it uses less digits than its factorization.

31132301012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367533 (or 7367526 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31132301012022 its reverse (22021010323113), we get a palindrome (53153311335135).

The spelling of 31132301012022 in words is "thirty-one trillion, one hundred thirty-two billion, three hundred one million, twelve thousand, twenty-two".