231331212332 has 24 divisors (see below), whose sum is σ = 455878520832. Its totient is φ = 101758597200.

The previous prime is 231331212263. The next prime is 231331212337. The reversal of 231331212332 is 233212133132.

231331212332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231331212337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84797468 + ... + 84800195.

It is an arithmetic number, because the mean of its divisors is an integer number (18994938368).

Almost surely, 2^231331212332 is an apocalyptic number.

231331212332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231331212332 is a deficient number, since it is larger than the sum of its proper divisors (224547308500).

231331212332 is a wasteful number, since it uses less digits than its factorization.

231331212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169597709 (or 169597707 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 231331212332 its reverse (233212133132), we get a palindrome (464543345464).

The spelling of 231331212332 in words is "two hundred thirty-one billion, three hundred thirty-one million, two hundred twelve thousand, three hundred thirty-two".