1313421113287 has 2 divisors, whose sum is σ = 1313421113288. Its totient is φ = 1313421113286.

The previous prime is 1313421113201. The next prime is 1313421113297. The reversal of 1313421113287 is 7823111243131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313421113287 - 2¹⁵ = 1313421080519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313421113297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656710556643 + 656710556644.

It is an arithmetic number, because the mean of its divisors is an integer number (656710556644).

Almost surely, 2^{1313421113287} is an apocalyptic number.

1313421113287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313421113287 is an equidigital number, since it uses as much as digits as its factorization.

1313421113287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The spelling of 1313421113287 in words is "one trillion, three hundred thirteen billion, four hundred twenty-one million, one hundred thirteen thousand, two hundred eighty-seven".