2313013520 has 20 divisors (see below), whose sum is σ = 5377756620. Its totient is φ = 925205376.

The previous prime is 2313013519. The next prime is 2313013531. The reversal of 2313013520 is 253103132.

It can be written as a sum of positive squares in 2 ways, for example, as 851939344 + 1461074176 = 29188^2 + 38224^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2313013492 and 2313013501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14456255 + ... + 14456414.

It is an arithmetic number, because the mean of its divisors is an integer number (268887831).

Almost surely, 2^2313013520 is an apocalyptic number.

2313013520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313013520 is an abundant number, since it is smaller than the sum of its proper divisors (3064743100).

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

2313013520 is a wasteful number, since it uses less digits than its factorization.

2313013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28912682 (or 28912676 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2313013520 is about 48093.7991845103. The cubic root of 2313013520 is about 1322.4909956589.

Adding to 2313013520 its reverse (253103132), we get a palindrome (2566116652).

The spelling of 2313013520 in words is "two billion, three hundred thirteen million, thirteen thousand, five hundred twenty".