2313990013 has 4 divisors (see below), whose sum is σ = 2317741020. Its totient is φ = 2310239008.

The previous prime is 2313989959. The next prime is 2313990023. The reversal of 2313990013 is 3100993132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 566582809 + 1747407204 = 23803^2 + 41802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313990013 - 2²¹ = 2311892861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313990023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874578 + ... + 1875811.

It is an arithmetic number, because the mean of its divisors is an integer number (579435255).

Almost surely, 2^2313990013 is an apocalyptic number.

It is an amenable number.

2313990013 is a deficient number, since it is larger than the sum of its proper divisors (3751007).

2313990013 is an equidigital number, since it uses as much as digits as its factorization.

2313990013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751006.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 2313990013 is about 48103.9500768908. The cubic root of 2313990013 is about 1322.6770763568.

The spelling of 2313990013 in words is "two billion, three hundred thirteen million, nine hundred ninety thousand, thirteen".