122231213231031 has 48 divisors (see below), whose sum is σ = 180611351856000. Its totient is φ = 79636695699456.

The previous prime is 122231213231009. The next prime is 122231213231047. The reversal of 122231213231031 is 130132312132221.

122231213231031 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 312 + 1 + 3 + 2 + 310 + 31 = 666.

It is not a de Polignac number, because 122231213231031 - 2³⁰ = 122230139489207 is a prime.

It is a super-2 number, since 2×122231213231031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122231213230986 and 122231213231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231213231731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255818530 + ... + 256295888.

It is an arithmetic number, because the mean of its divisors is an integer number (3762736497000).

Almost surely, 2^{122231213231031} is an apocalyptic number.

122231213231031 is a deficient number, since it is larger than the sum of its proper divisors (58380138624969).

122231213231031 is a wasteful number, since it uses less digits than its factorization.

122231213231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481000 (or 480997 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 122231213231031 its reverse (130132312132221), we get a palindrome (252363525363252).

The spelling of 122231213231031 in words is "one hundred twenty-two trillion, two hundred thirty-one billion, two hundred thirteen million, two hundred thirty-one thousand, thirty-one".