1311563040371 has 2 divisors, whose sum is σ = 1311563040372. Its totient is φ = 1311563040370.

The previous prime is 1311563040233. The next prime is 1311563040379. The reversal of 1311563040371 is 1730403651131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1730403651131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311563040371 - 2¹⁴ = 1311563023987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311563040379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655781520185 + 655781520186.

It is an arithmetic number, because the mean of its divisors is an integer number (655781520186).

Almost surely, 2^{1311563040371} is an apocalyptic number.

1311563040371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311563040371 is an equidigital number, since it uses as much as digits as its factorization.

1311563040371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 1311563040371 in words is "one trillion, three hundred eleven billion, five hundred sixty-three million, forty thousand, three hundred seventy-one".