2312568613 has 4 divisors (see below), whose sum is σ = 2338552620. Its totient is φ = 2286584608.

The previous prime is 2312568611. The next prime is 2312568623. The reversal of 2312568613 is 3168652132.

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 187635204 + 2124933409 = 13698^2 + 46097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312568613 - 2¹ = 2312568611 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 (2312568611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12991870 + ... + 12992047.

It is an arithmetic number, because the mean of its divisors is an integer number (584638155).

Almost surely, 2^2312568613 is an apocalyptic number.

It is an amenable number.

2312568613 is a deficient number, since it is larger than the sum of its proper divisors (25984007).

2312568613 is an equidigital number, since it uses as much as digits as its factorization.

2312568613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25984006.

The product of its digits is 51840, while the sum is 37.

The square root of 2312568613 is about 48089.1735528903. The cubic root of 2312568613 is about 1322.4061967266.

The spelling of 2312568613 in words is "two billion, three hundred twelve million, five hundred sixty-eight thousand, six hundred thirteen".