313461613 has 2 divisors, whose sum is σ = 313461614. Its totient is φ = 313461612.

The previous prime is 313461607. The next prime is 313461637. The reversal of 313461613 is 316164313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284495689 + 28965924 = 16867^2 + 5382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313461613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313461653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156730806 + 156730807.

It is an arithmetic number, because the mean of its divisors is an integer number (156730807).

Almost surely, 2^313461613 is an apocalyptic number.

It is an amenable number.

313461613 is a deficient number, since it is larger than the sum of its proper divisors (1).

313461613 is an equidigital number, since it uses as much as digits as its factorization.

313461613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 313461613 is about 17704.8471611590. The cubic root of 313461613 is about 679.2997498766.

The spelling of 313461613 in words is "three hundred thirteen million, four hundred sixty-one thousand, six hundred thirteen".