13321312103237 has 2 divisors, whose sum is σ = 13321312103238. Its totient is φ = 13321312103236.

The previous prime is 13321312103207. The next prime is 13321312103249. The reversal of 13321312103237 is 73230121312331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12806313545281 + 514998557956 = 3578591^2 + 717634^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321312103237 - 2⁴² = 8923265592133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321312103207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660656051618 + 6660656051619.

It is an arithmetic number, because the mean of its divisors is an integer number (6660656051619).

Almost surely, 2^{13321312103237} is an apocalyptic number.

It is an amenable number.

13321312103237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321312103237 is an equidigital number, since it uses as much as digits as its factorization.

13321312103237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

Adding to 13321312103237 its reverse (73230121312331), we get a palindrome (86551433415568).

The spelling of 13321312103237 in words is "thirteen trillion, three hundred twenty-one billion, three hundred twelve million, one hundred three thousand, two hundred thirty-seven".