2313321313 has 2 divisors, whose sum is σ = 2313321314. Its totient is φ = 2313321312.

The previous prime is 2313321299. The next prime is 2313321317. The reversal of 2313321313 is 3131233132.

2313321313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1870303009 + 443018304 = 43247^2 + 21048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2313321313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2313321317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156660656 + 1156660657.

It is an arithmetic number, because the mean of its divisors is an integer number (1156660657).

Almost surely, 2^2313321313 is an apocalyptic number.

It is an amenable number.

2313321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313321313 is an equidigital number, since it uses as much as digits as its factorization.

2313321313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 22.

The square root of 2313321313 is about 48096.9990020167. Note that the first 3 decimals coincide. The cubic root of 2313321313 is about 1322.5496544048.

Adding to 2313321313 its reverse (3131233132), we get a palindrome (5444554445).

The spelling of 2313321313 in words is "two billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred thirteen".