313126250317 has 2 divisors, whose sum is σ = 313126250318. Its totient is φ = 313126250316.

The previous prime is 313126250251. The next prime is 313126250351. The reversal of 313126250317 is 713052621313.

It is an a-pointer prime, because the next prime (313126250351) can be obtained adding 313126250317 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247306295401 + 65819954916 = 497299^2 + 256554^2 .

It is a cyclic number.

It is not a de Polignac number, because 313126250317 - 2¹¹ = 313126248269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313126250357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156563125158 + 156563125159.

It is an arithmetic number, because the mean of its divisors is an integer number (156563125159).

Almost surely, 2^313126250317 is an apocalyptic number.

It is an amenable number.

313126250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

313126250317 is an equidigital number, since it uses as much as digits as its factorization.

313126250317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 313126250317 in words is "three hundred thirteen billion, one hundred twenty-six million, two hundred fifty thousand, three hundred seventeen".