2313131288 has 64 divisors (see below), whose sum is σ = 4936377600. Its totient is φ = 1007337600.

The previous prime is 2313131287. The next prime is 2313131329. The reversal of 2313131288 is 8821313132.

2313131288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313131281) 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, 517463 + ... + 521913.

It is an arithmetic number, because the mean of its divisors is an integer number (77130900).

Almost surely, 2^2313131288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313131288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468188800).

2313131288 is an abundant number, since it is smaller than the sum of its proper divisors (2623246312).

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

2313131288 is a wasteful number, since it uses less digits than its factorization.

2313131288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4748 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2313131288 is about 48095.0235263483. The cubic root of 2313131288 is about 1322.5134403290.

The spelling of 2313131288 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred eighty-eight".