2320320313 has 4 divisors (see below), whose sum is σ = 2320435188. Its totient is φ = 2320205440.

The previous prime is 2320320311. The next prime is 2320320323. The reversal of 2320320313 is 3130230232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 516789289 + 1803531024 = 22733^2 + 42468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320320313 - 2¹ = 2320320311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320320311) 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, 18208 + ... + 70513.

It is an arithmetic number, because the mean of its divisors is an integer number (580108797).

Almost surely, 2^2320320313 is an apocalyptic number.

It is an amenable number.

2320320313 is a deficient number, since it is larger than the sum of its proper divisors (114875).

2320320313 is an equidigital number, since it uses as much as digits as its factorization.

2320320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114874.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2320320313 is about 48169.7032687560. The cubic root of 2320320313 is about 1323.8821116775.

Adding to 2320320313 its reverse (3130230232), we get a palindrome (5450550545).

The spelling of 2320320313 in words is "two billion, three hundred twenty million, three hundred twenty thousand, three hundred thirteen".