320340222302321 has 16 divisors (see below), whose sum is σ = 356878477132800. Its totient is φ = 285501540276288.

The previous prime is 320340222302209. The next prime is 320340222302323. The reversal of 320340222302321 is 123203222043023.

It is a cyclic number.

It is not a de Polignac number, because 320340222302321 - 2¹⁸ = 320340222040177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320340222302323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325492640 + ... + 326475326.

It is an arithmetic number, because the mean of its divisors is an integer number (22304904820800).

Almost surely, 2^{320340222302321} is an apocalyptic number.

It is an amenable number.

320340222302321 is a deficient number, since it is larger than the sum of its proper divisors (36538254830479).

320340222302321 is a wasteful number, since it uses less digits than its factorization.

320340222302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847408.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 320340222302321 its reverse (123203222043023), we get a palindrome (443543444345344).

The spelling of 320340222302321 in words is "three hundred twenty trillion, three hundred forty billion, two hundred twenty-two million, three hundred two thousand, three hundred twenty-one".