231013012013020 has 12 divisors (see below), whose sum is σ = 485127325227384. Its totient is φ = 92405204805200.

The previous prime is 231013012013009. The next prime is 231013012013053. The reversal of 231013012013020 is 20310210310132.

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, 5775325300306 + ... + 5775325300345.

It is an arithmetic number, because the mean of its divisors is an integer number (40427277102282).

Almost surely, 2^{231013012013020} is an apocalyptic number.

231013012013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231013012013020 is an abundant number, since it is smaller than the sum of its proper divisors (254114313214364).

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

231013012013020 is a wasteful number, since it uses less digits than its factorization.

231013012013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11550650600660 (or 11550650600658 counting only the distinct ones).

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

Adding to 231013012013020 its reverse (20310210310132), we get a palindrome (251323222323152).

The spelling of 231013012013020 in words is "two hundred thirty-one trillion, thirteen billion, twelve million, thirteen thousand, twenty".