2400320313 has 24 divisors (see below), whose sum is σ = 3486637440. Its totient is φ = 1591238880.

The previous prime is 2400320309. The next prime is 2400320317. The reversal of 2400320313 is 3130230042.

It is an interprime number because it is at equal distance from previous prime (2400320309) and next prime (2400320317).

It is not a de Polignac number, because 2400320313 - 2² = 2400320309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2400320317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515520 + ... + 1517102.

It is an arithmetic number, because the mean of its divisors is an integer number (145276560).

Almost surely, 2^2400320313 is an apocalyptic number.

It is an amenable number.

2400320313 is a deficient number, since it is larger than the sum of its proper divisors (1086317127).

2400320313 is a wasteful number, since it uses less digits than its factorization.

2400320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2400320313 is about 48993.0639274581. The cubic root of 2400320313 is about 1338.9254608693.

Adding to 2400320313 its reverse (3130230042), we get a palindrome (5530550355).

The spelling of 2400320313 in words is "two billion, four hundred million, three hundred twenty thousand, three hundred thirteen".