31122023321022 has 16 divisors (see below), whose sum is σ = 64251919114752. Its totient is φ = 10039362361560.

The previous prime is 31122023320981. The next prime is 31122023321027. The reversal of 31122023321022 is 22012332022113.

It is a junction number, because it is equal to n+sod(n) for n = 31122023320983 and 31122023321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122023321027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83661352828 + ... + 83661353199.

It is an arithmetic number, because the mean of its divisors is an integer number (4015744944672).

Almost surely, 2^{31122023321022} is an apocalyptic number.

31122023321022 is an abundant number, since it is smaller than the sum of its proper divisors (33129895793730).

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

31122023321022 is a wasteful number, since it uses less digits than its factorization.

31122023321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167322706063.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31122023321022 its reverse (22012332022113), we get a palindrome (53134355343135).

The spelling of 31122023321022 in words is "thirty-one trillion, one hundred twenty-two billion, twenty-three million, three hundred twenty-one thousand, twenty-two".