320030320311329 has 4 divisors (see below), whose sum is σ = 327835937879940. Its totient is φ = 312224702742720.

The previous prime is 320030320311311. The next prime is 320030320311353. The reversal of 320030320311329 is 923113023030023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65067986659729 + 254962333651600 = 8066473^2 + 15967540^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030320311329 - 2⁴⁸ = 38555343600673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320030320311295 and 320030320311304.

It is not an unprimeable number, because it can be changed into a prime (320030320311929) 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, 3902808784244 + ... + 3902808784325.

It is an arithmetic number, because the mean of its divisors is an integer number (81958984469985).

Almost surely, 2^{320030320311329} is an apocalyptic number.

It is an amenable number.

320030320311329 is a deficient number, since it is larger than the sum of its proper divisors (7805617568611).

320030320311329 is an equidigital number, since it uses as much as digits as its factorization.

320030320311329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805617568610.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 320030320311329 in words is "three hundred twenty trillion, thirty billion, three hundred twenty million, three hundred eleven thousand, three hundred twenty-nine".