13028226232321 has 4 divisors (see below), whose sum is σ = 13031034649600. Its totient is φ = 13025417815044.

The previous prime is 13028226232289. The next prime is 13028226232349. The reversal of 13028226232321 is 12323262282031.

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 not a de Polignac number, because 13028226232321 - 2⁵ = 13028226232289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13028226232391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404201681 + ... + 1404210958.

It is an arithmetic number, because the mean of its divisors is an integer number (3257758662400).

Almost surely, 2^{13028226232321} is an apocalyptic number.

It is an amenable number.

13028226232321 is a deficient number, since it is larger than the sum of its proper divisors (2808417279).

13028226232321 is an equidigital number, since it uses as much as digits as its factorization.

13028226232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808417278.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 13028226232321 in words is "thirteen trillion, twenty-eight billion, two hundred twenty-six million, two hundred thirty-two thousand, three hundred twenty-one".