313344230257 has 2 divisors, whose sum is σ = 313344230258. Its totient is φ = 313344230256.

The previous prime is 313344230189. The next prime is 313344230261. The reversal of 313344230257 is 752032443313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160825862961 + 152518367296 = 401031^2 + 390536^2 .

It is an emirp because it is prime and its reverse (752032443313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313344230257 - 2³⁵ = 278984491889 is a prime.

It is not a weakly prime, because it can be changed into another prime (313344240257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156672115128 + 156672115129.

It is an arithmetic number, because the mean of its divisors is an integer number (156672115129).

Almost surely, 2^313344230257 is an apocalyptic number.

It is an amenable number.

313344230257 is a deficient number, since it is larger than the sum of its proper divisors (1).

313344230257 is an equidigital number, since it uses as much as digits as its factorization.

313344230257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 313344230257 in words is "three hundred thirteen billion, three hundred forty-four million, two hundred thirty thousand, two hundred fifty-seven".