320115524322013 has 4 divisors (see below), whose sum is σ = 365846313510880. Its totient is φ = 274384735133148.

The previous prime is 320115524321969. The next prime is 320115524322031. The reversal of 320115524322013 is 310223425511023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320115524322013 - 2¹⁷ = 320115524190941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320115524322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320115524382013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22865394594423 + ... + 22865394594436.

It is an arithmetic number, because the mean of its divisors is an integer number (91461578377720).

Almost surely, 2^{320115524322013} is an apocalyptic number.

It is an amenable number.

320115524322013 is a deficient number, since it is larger than the sum of its proper divisors (45730789188867).

320115524322013 is an equidigital number, since it uses as much as digits as its factorization.

320115524322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45730789188866.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 320115524322013 its reverse (310223425511023), we get a palindrome (630338949833036).

The spelling of 320115524322013 in words is "three hundred twenty trillion, one hundred fifteen billion, five hundred twenty-four million, three hundred twenty-two thousand, thirteen".