1313086717 has 2 divisors, whose sum is σ = 1313086718. Its totient is φ = 1313086716.

The previous prime is 1313086693. The next prime is 1313086727. The reversal of 1313086717 is 7176803131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110622276 + 202464441 = 33326^2 + 14229^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313086717 - 2²⁷ = 1178868989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313086727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656543358 + 656543359.

It is an arithmetic number, because the mean of its divisors is an integer number (656543359).

Almost surely, 2^1313086717 is an apocalyptic number.

It is an amenable number.

1313086717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313086717 is an equidigital number, since it uses as much as digits as its factorization.

1313086717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1313086717 is about 36236.5384246343. The cubic root of 1313086717 is about 1095.0429059590.

Adding to 1313086717 its reverse (7176803131), we get a palindrome (8489889848).

The spelling of 1313086717 in words is "one billion, three hundred thirteen million, eighty-six thousand, seven hundred seventeen".