13411444331321 has 2 divisors, whose sum is σ = 13411444331322. Its totient is φ = 13411444331320.

The previous prime is 13411444331317. The next prime is 13411444331359. The reversal of 13411444331321 is 12313344411431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13410507665296 + 936666025 = 3662036^2 + 30605^2 .

It is a cyclic number.

It is not a de Polignac number, because 13411444331321 - 2² = 13411444331317 is a prime.

It is not a weakly prime, because it can be changed into another prime (13411444351321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705722165660 + 6705722165661.

It is an arithmetic number, because the mean of its divisors is an integer number (6705722165661).

Almost surely, 2^{13411444331321} is an apocalyptic number.

It is an amenable number.

13411444331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13411444331321 is an equidigital number, since it uses as much as digits as its factorization.

13411444331321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

Adding to 13411444331321 its reverse (12313344411431), we get a palindrome (25724788742752).

The spelling of 13411444331321 in words is "thirteen trillion, four hundred eleven billion, four hundred forty-four million, three hundred thirty-one thousand, three hundred twenty-one".