313325513 has 2 divisors, whose sum is σ = 313325514. Its totient is φ = 313325512.

The previous prime is 313325497. The next prime is 313325531. The reversal of 313325513 is 315523313.

Together with next prime (313325531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302481664 + 10843849 = 17392^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 313325513 - 2⁴ = 313325497 is a prime.

It is not a weakly prime, because it can be changed into another prime (313355513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156662756 + 156662757.

It is an arithmetic number, because the mean of its divisors is an integer number (156662757).

Almost surely, 2^313325513 is an apocalyptic number.

It is an amenable number.

313325513 is a deficient number, since it is larger than the sum of its proper divisors (1).

313325513 is an equidigital number, since it uses as much as digits as its factorization.

313325513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 313325513 is about 17701.0031636628. The cubic root of 313325513 is about 679.2014219625.

Adding to 313325513 its reverse (315523313), we get a palindrome (628848826).

The spelling of 313325513 in words is "three hundred thirteen million, three hundred twenty-five thousand, five hundred thirteen".