1313103317 has 2 divisors, whose sum is σ = 1313103318. Its totient is φ = 1313103316.

The previous prime is 1313103299. The next prime is 1313103331. The reversal of 1313103317 is 7133013131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310367601 + 2735716 = 36199^2 + 1654^2 .

It is an emirp because it is prime and its reverse (7133013131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313103317 is a prime.

It is a super-2 number, since 2×1313103317² = 3448480642232804978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313103292 and 1313103301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313103347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656551658 + 656551659.

It is an arithmetic number, because the mean of its divisors is an integer number (656551659).

Almost surely, 2^1313103317 is an apocalyptic number.

It is an amenable number.

1313103317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313103317 is an equidigital number, since it uses as much as digits as its factorization.

1313103317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 1313103317 is about 36236.7674744865. The cubic root of 1313103317 is about 1095.0475204386.

Adding to 1313103317 its reverse (7133013131), we get a palindrome (8446116448).

The spelling of 1313103317 in words is "one billion, three hundred thirteen million, one hundred three thousand, three hundred seventeen".