231320332122112 has 48 divisors (see below), whose sum is σ = 462536338839120. Its totient is φ = 115658009542656.

The previous prime is 231320332122043. The next prime is 231320332122133. The reversal of 231320332122112 is 211221233023132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111764053 + ... + 113814955.

It is an arithmetic number, because the mean of its divisors is an integer number (9636173725815).

Almost surely, 2^{231320332122112} is an apocalyptic number.

It is an amenable number.

231320332122112 is a deficient number, since it is larger than the sum of its proper divisors (231216006717008).

231320332122112 is an equidigital number, since it uses as much as digits as its factorization.

231320332122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105998 (or 2105978 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231320332122112 its reverse (211221233023132), we get a palindrome (442541565145244).

The spelling of 231320332122112 in words is "two hundred thirty-one trillion, three hundred twenty billion, three hundred thirty-two million, one hundred twenty-two thousand, one hundred twelve".