320303078913563 has 2 divisors, whose sum is σ = 320303078913564. Its totient is φ = 320303078913562.

The previous prime is 320303078913551. The next prime is 320303078913593. The reversal of 320303078913563 is 365319870303023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320303078913563 - 2⁴ = 320303078913547 is a prime.

It is not a weakly prime, because it can be changed into another prime (320303078913593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160151539456781 + 160151539456782.

It is an arithmetic number, because the mean of its divisors is an integer number (160151539456782).

Almost surely, 2^{320303078913563} is an apocalyptic number.

320303078913563 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303078913563 is an equidigital number, since it uses as much as digits as its factorization.

320303078913563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 53.

The spelling of 320303078913563 in words is "three hundred twenty trillion, three hundred three billion, seventy-eight million, nine hundred thirteen thousand, five hundred sixty-three".