13112301331321 has 2 divisors, whose sum is σ = 13112301331322. Its totient is φ = 13112301331320.

The previous prime is 13112301331267. The next prime is 13112301331343. The reversal of 13112301331321 is 12313310321131.

13112301331321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8147804878096 + 4964496453225 = 2854436^2 + 2228115^2 .

It is an emirp because it is prime and its reverse (12313310321131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13112301331321 - 2¹⁵ = 13112301298553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112301331421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556150665660 + 6556150665661.

It is an arithmetic number, because the mean of its divisors is an integer number (6556150665661).

Almost surely, 2^{13112301331321} is an apocalyptic number.

It is an amenable number.

13112301331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112301331321 is an equidigital number, since it uses as much as digits as its factorization.

13112301331321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13112301331321 its reverse (12313310321131), we get a palindrome (25425611652452).

The spelling of 13112301331321 in words is "thirteen trillion, one hundred twelve billion, three hundred one million, three hundred thirty-one thousand, three hundred twenty-one".