231013233122 has 24 divisors (see below), whose sum is σ = 420620371776. Its totient is φ = 94701076008.

The previous prime is 231013233103. The next prime is 231013233127. The reversal of 231013233122 is 221332310132.

It is a super-2 number, since 2×231013233122² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (231013233127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51242918 + ... + 51247425.

It is an arithmetic number, because the mean of its divisors is an integer number (17525848824).

Almost surely, 2^231013233122 is an apocalyptic number.

231013233122 is a deficient number, since it is larger than the sum of its proper divisors (189607138654).

231013233122 is a wasteful number, since it uses less digits than its factorization.

231013233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102490382 (or 102490375 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231013233122 its reverse (221332310132), we get a palindrome (452345543254).

The spelling of 231013233122 in words is "two hundred thirty-one billion, thirteen million, two hundred thirty-three thousand, one hundred twenty-two".