231112313020 has 48 divisors (see below), whose sum is σ = 488335780800. Its totient is φ = 91875202560.

The previous prime is 231112312967. The next prime is 231112313021. The reversal of 231112313020 is 20313211132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112313021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147905 + ... + 2252935.

It is an arithmetic number, because the mean of its divisors is an integer number (10173662100).

Almost surely, 2^231112313020 is an apocalyptic number.

231112313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231112313020 is an abundant number, since it is smaller than the sum of its proper divisors (257223467780).

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

231112313020 is a wasteful number, since it uses less digits than its factorization.

231112313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105718 (or 105716 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231112313020 its reverse (20313211132), we get a palindrome (251425524152).

The spelling of 231112313020 in words is "two hundred thirty-one billion, one hundred twelve million, three hundred thirteen thousand, twenty".