2313220515 has 32 divisors (see below), whose sum is σ = 4089263616. Its totient is φ = 1110658560.

The previous prime is 2313220489. The next prime is 2313220517. The reversal of 2313220515 is 5150223132.

It is a happy number.

It is not a de Polignac number, because 2313220515 - 2⁷ = 2313220387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2313220517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191341 + ... + 203070.

It is an arithmetic number, because the mean of its divisors is an integer number (127789488).

Almost surely, 2^2313220515 is an apocalyptic number.

2313220515 is a deficient number, since it is larger than the sum of its proper divisors (1776043101).

2313220515 is a wasteful number, since it uses less digits than its factorization.

2313220515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394459.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2313220515 is about 48095.9511289672. The cubic root of 2313220515 is about 1322.5304450403.

Adding to 2313220515 its reverse (5150223132), we get a palindrome (7463443647).

The spelling of 2313220515 in words is "two billion, three hundred thirteen million, two hundred twenty thousand, five hundred fifteen".