2112320313 has 12 divisors (see below), whose sum is σ = 3051612720. Its totient is φ = 1407990456.

The previous prime is 2112320303. The next prime is 2112320317. The reversal of 2112320313 is 3130232112.

2112320313 = 8832² + 8833² + ... + 8858².

2112320313 is a `hidden beast` number, since 21 + 12 + 320 + 313 = 666.

It is not a de Polignac number, because 2112320313 - 2⁴ = 2112320297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112320317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57970 + ... + 87092.

It is an arithmetic number, because the mean of its divisors is an integer number (254301060).

Almost surely, 2^2112320313 is an apocalyptic number.

It is an amenable number.

2112320313 is a deficient number, since it is larger than the sum of its proper divisors (939292407).

2112320313 is a wasteful number, since it uses less digits than its factorization.

2112320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37188 (or 37185 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2112320313 is about 45959.9859986924. The cubic root of 2112320313 is about 1283.0785907741.

Adding to 2112320313 its reverse (3130232112), we get a palindrome (5242552425).

It can be divided in two parts, 21123203 and 13, that added together give a square (21123216 = 4596²).

The spelling of 2112320313 in words is "two billion, one hundred twelve million, three hundred twenty thousand, three hundred thirteen".