231310120112 has 40 divisors (see below), whose sum is σ = 492261826560. Its totient is φ = 104804124480.

The previous prime is 231310120091. The next prime is 231310120123. The reversal of 231310120112 is 211021013132.

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, 16534064 + ... + 16548047.

It is an arithmetic number, because the mean of its divisors is an integer number (12306545664).

Almost surely, 2^231310120112 is an apocalyptic number.

It is an amenable number.

231310120112 is an abundant number, since it is smaller than the sum of its proper divisors (260951706448).

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

231310120112 is a wasteful number, since it uses less digits than its factorization.

231310120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33082161 (or 33082155 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231310120112 its reverse (211021013132), we get a palindrome (442331133244).

The spelling of 231310120112 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty thousand, one hundred twelve".