13322431321 has 2 divisors, whose sum is σ = 13322431322. Its totient is φ = 13322431320.

The previous prime is 13322431301. The next prime is 13322431349. The reversal of 13322431321 is 12313422331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12195889225 + 1126542096 = 110435^2 + 33564^2 .

It is a cyclic number.

It is not a de Polignac number, because 13322431321 - 2⁷ = 13322431193 is a prime.

It is not a weakly prime, because it can be changed into another prime (13322431301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661215660 + 6661215661.

It is an arithmetic number, because the mean of its divisors is an integer number (6661215661).

Almost surely, 2^13322431321 is an apocalyptic number.

It is an amenable number.

13322431321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322431321 is an equidigital number, since it uses as much as digits as its factorization.

13322431321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 13322431321 its reverse (12313422331), we get a palindrome (25635853652).

The spelling of 13322431321 in words is "thirteen billion, three hundred twenty-two million, four hundred thirty-one thousand, three hundred twenty-one".