122312321031 has 16 divisors (see below), whose sum is σ = 166039086560. Its totient is φ = 80073308160.

The previous prime is 122312321029. The next prime is 122312321041. The reversal of 122312321031 is 130123213221.

It is not a de Polignac number, because 122312321031 - 2¹ = 122312321029 is a prime.

It is a super-2 number, since 2×122312321031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122312320989 and 122312321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312321041) 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, 1169290 + ... + 1269591.

It is an arithmetic number, because the mean of its divisors is an integer number (10377442910).

Almost surely, 2^122312321031 is an apocalyptic number.

122312321031 is a deficient number, since it is larger than the sum of its proper divisors (43726765529).

122312321031 is a wasteful number, since it uses less digits than its factorization.

122312321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439186.

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

Adding to 122312321031 its reverse (130123213221), we get a palindrome (252435534252).

The spelling of 122312321031 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred twenty-one thousand, thirty-one".