231023322312 has 32 divisors (see below), whose sum is σ = 593167992000. Its totient is φ = 74926482624.

The previous prime is 231023322221. The next prime is 231023322323. The reversal of 231023322312 is 213223320132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130079812 + ... + 130081587.

It is an arithmetic number, because the mean of its divisors is an integer number (18536499750).

Almost surely, 2^231023322312 is an apocalyptic number.

It is an amenable number.

231023322312 is an abundant number, since it is smaller than the sum of its proper divisors (362144669688).

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

231023322312 is a wasteful number, since it uses less digits than its factorization.

231023322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260161445 (or 260161441 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231023322312 its reverse (213223320132), we get a palindrome (444246642444).

The spelling of 231023322312 in words is "two hundred thirty-one billion, twenty-three million, three hundred twenty-two thousand, three hundred twelve".