13021231311301 has 4 divisors (see below), whose sum is σ = 13021376683392. Its totient is φ = 13021085939212.

The previous prime is 13021231311299. The next prime is 13021231311329. The reversal of 13021231311301 is 10311313212031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13021231311301 - 2¹ = 13021231311299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021231311001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72551605 + ... + 72730858.

It is an arithmetic number, because the mean of its divisors is an integer number (3255344170848).

Almost surely, 2^{13021231311301} is an apocalyptic number.

It is an amenable number.

13021231311301 is a deficient number, since it is larger than the sum of its proper divisors (145372091).

13021231311301 is an equidigital number, since it uses as much as digits as its factorization.

13021231311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145372090.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13021231311301 its reverse (10311313212031), we get a palindrome (23332544523332).

The spelling of 13021231311301 in words is "thirteen trillion, twenty-one billion, two hundred thirty-one million, three hundred eleven thousand, three hundred one".