13104344303221 has 2 divisors, whose sum is σ = 13104344303222. Its totient is φ = 13104344303220.

The previous prime is 13104344303203. The next prime is 13104344303317. The reversal of 13104344303221 is 12230344340131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7158969140625 + 5945375162596 = 2675625^2 + 2438314^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104344303221 - 2²⁷ = 13104210085493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13104344303821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552172151610 + 6552172151611.

It is an arithmetic number, because the mean of its divisors is an integer number (6552172151611).

Almost surely, 2^{13104344303221} is an apocalyptic number.

It is an amenable number.

13104344303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13104344303221 is an equidigital number, since it uses as much as digits as its factorization.

13104344303221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13104344303221 its reverse (12230344340131), we get a palindrome (25334688643352).

The spelling of 13104344303221 in words is "thirteen trillion, one hundred four billion, three hundred forty-four million, three hundred three thousand, two hundred twenty-one".