313542245519 has 2 divisors, whose sum is σ = 313542245520. Its totient is φ = 313542245518.

The previous prime is 313542245509. The next prime is 313542245579. The reversal of 313542245519 is 915542245313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313542245519 is a prime.

It is a super-2 number, since 2×313542245519² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313542245519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313542245509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156771122759 + 156771122760.

It is an arithmetic number, because the mean of its divisors is an integer number (156771122760).

Almost surely, 2^313542245519 is an apocalyptic number.

313542245519 is a deficient number, since it is larger than the sum of its proper divisors (1).

313542245519 is an equidigital number, since it uses as much as digits as its factorization.

313542245519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The spelling of 313542245519 in words is "three hundred thirteen billion, five hundred forty-two million, two hundred forty-five thousand, five hundred nineteen".