13321232302321 has 4 divisors (see below), whose sum is σ = 13321456553200. Its totient is φ = 13321008051444.

The previous prime is 13321232302297. The next prime is 13321232302361. The reversal of 13321232302321 is 12320323212331.

It is a happy number.

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 13321232302321 - 2⁹ = 13321232301809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13321232302321.

It is not an unprimeable number, because it can be changed into a prime (13321232302361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112036311 + ... + 112155148.

It is an arithmetic number, because the mean of its divisors is an integer number (3330364138300).

Almost surely, 2^{13321232302321} is an apocalyptic number.

It is an amenable number.

13321232302321 is a deficient number, since it is larger than the sum of its proper divisors (224250879).

13321232302321 is an equidigital number, since it uses as much as digits as its factorization.

13321232302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224250878.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13321232302321 its reverse (12320323212331), we get a palindrome (25641555514652).

The spelling of 13321232302321 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-two million, three hundred two thousand, three hundred twenty-one".