13104304330221 has 30 divisors (see below), whose sum is σ = 21197210248170. Its totient is φ = 8064187271712.

The previous prime is 13104304330207. The next prime is 13104304330241. The reversal of 13104304330221 is 12203340340131.

It is a happy number.

13104304330221 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 3 + 0 + 433 + 0 + 221 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 67792536900 + 13036511793321 = 260370^2 + 3610611^2 .

It is not a de Polignac number, because 13104304330221 - 2²⁵ = 13104270775789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104304330241) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 478629906 + ... + 478657283.

It is an arithmetic number, because the mean of its divisors is an integer number (706573674939).

Almost surely, 2^{13104304330221} is an apocalyptic number.

It is an amenable number.

13104304330221 is a deficient number, since it is larger than the sum of its proper divisors (8092905917949).

13104304330221 is an equidigital number, since it uses as much as digits as its factorization.

13104304330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957287227 (or 957287205 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13104304330221 its reverse (12203340340131), we get a palindrome (25307644670352).

The spelling of 13104304330221 in words is "thirteen trillion, one hundred four billion, three hundred four million, three hundred thirty thousand, two hundred twenty-one".