231332323122 has 12 divisors (see below), whose sum is σ = 501220033470. Its totient is φ = 77110774368.

The previous prime is 231332323099. The next prime is 231332323177. The reversal of 231332323122 is 221323233132.

231332323122 is a `hidden beast` number, since 2 + 3 + 1 + 332 + 323 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138167580681 + 93164742441 = 371709^2 + 305229^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6425897847 + ... + 6425897882.

Almost surely, 2^231332323122 is an apocalyptic number.

231332323122 is an abundant number, since it is smaller than the sum of its proper divisors (269887710348).

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

231332323122 is a wasteful number, since it uses less digits than its factorization.

231332323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851795737 (or 12851795734 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 231332323122 its reverse (221323233132), we get a palindrome (452655556254).

The spelling of 231332323122 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty-two".