320555130313201 has 16 divisors (see below), whose sum is σ = 366939095287168. Its totient is φ = 274318944192000.

The previous prime is 320555130313163. The next prime is 320555130313237. The reversal of 320555130313201 is 102313031555023.

It is a cyclic number.

It is not a de Polignac number, because 320555130313201 - 2²⁵ = 320555096758769 is a prime.

It is a super-2 number, since 2×320555130313201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320555130113201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13074721 + ... + 28496641.

It is an arithmetic number, because the mean of its divisors is an integer number (22933693455448).

Almost surely, 2^{320555130313201} is an apocalyptic number.

It is an amenable number.

320555130313201 is a deficient number, since it is larger than the sum of its proper divisors (46383964973967).

320555130313201 is a wasteful number, since it uses less digits than its factorization.

320555130313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15426712.

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 320555130313201 its reverse (102313031555023), we get a palindrome (422868161868224).

The spelling of 320555130313201 in words is "three hundred twenty trillion, five hundred fifty-five billion, one hundred thirty million, three hundred thirteen thousand, two hundred one".