320022130321 has 2 divisors, whose sum is σ = 320022130322. Its totient is φ = 320022130320.

The previous prime is 320022130319. The next prime is 320022130367. The reversal of 320022130321 is 123031220023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175896360000 + 144125770321 = 419400^2 + 379639^2 .

It is a cyclic number.

It is not a de Polignac number, because 320022130321 - 2¹ = 320022130319 is a prime.

It is a super-2 number, since 2×320022130321² (a number of 24 digits) contains 22 as substring.

Together with 320022130319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (320022130721) 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 as a sum of consecutive naturals, namely, 160011065160 + 160011065161.

It is an arithmetic number, because the mean of its divisors is an integer number (160011065161).

Almost surely, 2^320022130321 is an apocalyptic number.

It is an amenable number.

320022130321 is a deficient number, since it is larger than the sum of its proper divisors (1).

320022130321 is an equidigital number, since it uses as much as digits as its factorization.

320022130321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320022130321 its reverse (123031220023), we get a palindrome (443053350344).

The spelling of 320022130321 in words is "three hundred twenty billion, twenty-two million, one hundred thirty thousand, three hundred twenty-one".