2313113131020 has 96 divisors (see below), whose sum is σ = 6553438315200. Its totient is φ = 609531715584.

The previous prime is 2313113131019. The next prime is 2313113131051. The reversal of 2313113131020 is 201313113132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8782692 + ... + 9042228.

It is an arithmetic number, because the mean of its divisors is an integer number (68264982450).

Almost surely, 2^{2313113131020} is an apocalyptic number.

2313113131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313113131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276719157600).

2313113131020 is an abundant number, since it is smaller than the sum of its proper divisors (4240325184180).

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

2313113131020 is a wasteful number, since it uses less digits than its factorization.

2313113131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261307 (or 261305 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2313113131020 its reverse (201313113132), we get a palindrome (2514426244152).

The spelling of 2313113131020 in words is "two trillion, three hundred thirteen billion, one hundred thirteen million, one hundred thirty-one thousand, twenty".