1313361568601 has 2 divisors, whose sum is σ = 1313361568602. Its totient is φ = 1313361568600.

The previous prime is 1313361568583. The next prime is 1313361568613. The reversal of 1313361568601 is 1068651633131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908687469001 + 404674099600 = 953251^2 + 636140^2 .

It is an emirp because it is prime and its reverse (1068651633131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313361568601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313361568301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656680784300 + 656680784301.

It is an arithmetic number, because the mean of its divisors is an integer number (656680784301).

Almost surely, 2^{1313361568601} is an apocalyptic number.

It is an amenable number.

1313361568601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313361568601 is an equidigital number, since it uses as much as digits as its factorization.

1313361568601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1313361568601 in words is "one trillion, three hundred thirteen billion, three hundred sixty-one million, five hundred sixty-eight thousand, six hundred one".