2313131200 has 42 divisors (see below), whose sum is σ = 5691752396. Its totient is φ = 925251840.

The previous prime is 2313131141. The next prime is 2313131201. The reversal of 2313131200 is 21313132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2313131201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 721254 + ... + 724453.

Almost surely, 2^2313131200 is an apocalyptic number.

2313131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313131200 is an abundant number, since it is smaller than the sum of its proper divisors (3378621196).

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

2313131200 is a wasteful number, since it uses less digits than its factorization.

2313131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445729 (or 1445714 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2313131200 is about 48095.0226114928. The cubic root of 2313131200 is about 1322.5134235579.

Adding to 2313131200 its reverse (21313132), we get a palindrome (2334444332).

The spelling of 2313131200 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred".