1313323302217 has 2 divisors, whose sum is σ = 1313323302218. Its totient is φ = 1313323302216.

The previous prime is 1313323302169. The next prime is 1313323302223. The reversal of 1313323302217 is 7122033233131.

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., 1235896900681 + 77426401536 = 1111709^2 + 278256^2 .

It is an emirp because it is prime and its reverse (7122033233131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313323302217 - 2⁷ = 1313323302089 is a prime.

It is a super-2 number, since 2×1313323302217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313323302287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656661651108 + 656661651109.

It is an arithmetic number, because the mean of its divisors is an integer number (656661651109).

Almost surely, 2^{1313323302217} is an apocalyptic number.

It is an amenable number.

1313323302217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313323302217 is an equidigital number, since it uses as much as digits as its factorization.

1313323302217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

Adding to 1313323302217 its reverse (7122033233131), we get a palindrome (8435356535348).

The spelling of 1313323302217 in words is "one trillion, three hundred thirteen billion, three hundred twenty-three million, three hundred two thousand, two hundred seventeen".