31023322122 has 32 divisors (see below), whose sum is σ = 66900399552. Its totient is φ = 9534075264.

The previous prime is 31023322081. The next prime is 31023322123. The reversal of 31023322122 is 22122332013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31023322123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175963 + ... + 304974.

It is an arithmetic number, because the mean of its divisors is an integer number (2090637486).

Almost surely, 2^31023322122 is an apocalyptic number.

31023322122 is an abundant number, since it is smaller than the sum of its proper divisors (35877077430).

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

31023322122 is a wasteful number, since it uses less digits than its factorization.

31023322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481782.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31023322122 its reverse (22122332013), we get a palindrome (53145654135).

The spelling of 31023322122 in words is "thirty-one billion, twenty-three million, three hundred twenty-two thousand, one hundred twenty-two".