320233310332321 has 4 divisors (see below), whose sum is σ = 323226145008432. Its totient is φ = 317240475656212.

The previous prime is 320233310332301. The next prime is 320233310332363. The reversal of 320233310332321 is 123233013332023.

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 a de Polignac number, because none of the positive numbers 2^k-320233310332321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320233310332301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496417337895 + ... + 1496417338108.

It is an arithmetic number, because the mean of its divisors is an integer number (80806536252108).

Almost surely, 2^{320233310332321} is an apocalyptic number.

It is an amenable number.

320233310332321 is a deficient number, since it is larger than the sum of its proper divisors (2992834676111).

320233310332321 is a wasteful number, since it uses less digits than its factorization.

320233310332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992834676110.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 320233310332321 its reverse (123233013332023), we get a palindrome (443466323664344).

The spelling of 320233310332321 in words is "three hundred twenty trillion, two hundred thirty-three billion, three hundred ten million, three hundred thirty-two thousand, three hundred twenty-one".