320243313127 has 2 divisors, whose sum is σ = 320243313128. Its totient is φ = 320243313126.

The previous prime is 320243313113. The next prime is 320243313179. The reversal of 320243313127 is 721313342023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320243313127 - 2⁷ = 320243312999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320243313527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160121656563 + 160121656564.

It is an arithmetic number, because the mean of its divisors is an integer number (160121656564).

Almost surely, 2^320243313127 is an apocalyptic number.

320243313127 is a deficient number, since it is larger than the sum of its proper divisors (1).

320243313127 is an equidigital number, since it uses as much as digits as its factorization.

320243313127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 320243313127 in words is "three hundred twenty billion, two hundred forty-three million, three hundred thirteen thousand, one hundred twenty-seven".