13310330313221 has 2 divisors, whose sum is σ = 13310330313222. Its totient is φ = 13310330313220.

The previous prime is 13310330313199. The next prime is 13310330313257. The reversal of 13310330313221 is 12231303301331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9195055552225 + 4115274760996 = 3032335^2 + 2028614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13310330313221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310330312221) 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, 6655165156610 + 6655165156611.

It is an arithmetic number, because the mean of its divisors is an integer number (6655165156611).

Almost surely, 2^{13310330313221} is an apocalyptic number.

It is an amenable number.

13310330313221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310330313221 is an equidigital number, since it uses as much as digits as its factorization.

13310330313221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13310330313221 its reverse (12231303301331), we get a palindrome (25541633614552).

The spelling of 13310330313221 in words is "thirteen trillion, three hundred ten billion, three hundred thirty million, three hundred thirteen thousand, two hundred twenty-one".