320522318863 has 2 divisors, whose sum is σ = 320522318864. Its totient is φ = 320522318862.

The previous prime is 320522318827. The next prime is 320522318917. The reversal of 320522318863 is 368813225023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320522318863 is a prime.

It is a super-2 number, since 2×320522318863² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320522318803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160261159431 + 160261159432.

It is an arithmetic number, because the mean of its divisors is an integer number (160261159432).

Almost surely, 2^320522318863 is an apocalyptic number.

320522318863 is a deficient number, since it is larger than the sum of its proper divisors (1).

320522318863 is an equidigital number, since it uses as much as digits as its factorization.

320522318863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 320522318863 in words is "three hundred twenty billion, five hundred twenty-two million, three hundred eighteen thousand, eight hundred sixty-three".