320133325321 has 2 divisors, whose sum is σ = 320133325322. Its totient is φ = 320133325320.

The previous prime is 320133325219. The next prime is 320133325373. The reversal of 320133325321 is 123523331023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239101440400 + 81031884921 = 488980^2 + 284661^2 .

It is a cyclic number.

It is not a de Polignac number, because 320133325321 - 2⁹ = 320133324809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320133325321.

It is not a weakly prime, because it can be changed into another prime (320133325381) 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, 160066662660 + 160066662661.

It is an arithmetic number, because the mean of its divisors is an integer number (160066662661).

Almost surely, 2^320133325321 is an apocalyptic number.

It is an amenable number.

320133325321 is a deficient number, since it is larger than the sum of its proper divisors (1).

320133325321 is an equidigital number, since it uses as much as digits as its factorization.

320133325321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 320133325321 its reverse (123523331023), we get a palindrome (443656656344).

The spelling of 320133325321 in words is "three hundred twenty billion, one hundred thirty-three million, three hundred twenty-five thousand, three hundred twenty-one".