2313051023513 has 4 divisors (see below), whose sum is σ = 2313057566820. Its totient is φ = 2313044480208.

The previous prime is 2313051023501. The next prime is 2313051023531. The reversal of 2313051023513 is 3153201503132.

It is a happy number.

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 757712798089 + 1555338225424 = 870467^2 + 1247132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313051023513 - 2²⁴ = 2313034246297 is a prime.

It is a super-2 number, since 2×2313051023513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313051023813) 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, 2709170 + ... + 3459147.

It is an arithmetic number, because the mean of its divisors is an integer number (578264391705).

Almost surely, 2^{2313051023513} is an apocalyptic number.

It is an amenable number.

2313051023513 is a deficient number, since it is larger than the sum of its proper divisors (6543307).

2313051023513 is an equidigital number, since it uses as much as digits as its factorization.

2313051023513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543306.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 2313051023513 its reverse (3153201503132), we get a palindrome (5466252526645).

The spelling of 2313051023513 in words is "two trillion, three hundred thirteen billion, fifty-one million, twenty-three thousand, five hundred thirteen".