13213331311 has 4 divisors (see below), whose sum is σ = 13990586112. Its totient is φ = 12436076512.

The previous prime is 13213331297. The next prime is 13213331321. The reversal of 13213331311 is 11313331231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11313331231 = 27799 ⋅406969.

It is a cyclic number.

It is not a de Polignac number, because 13213331311 - 2⁵ = 13213331279 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 (13213331321) 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, 388627375 + ... + 388627408.

It is an arithmetic number, because the mean of its divisors is an integer number (3497646528).

Almost surely, 2^13213331311 is an apocalyptic number.

13213331311 is a deficient number, since it is larger than the sum of its proper divisors (777254801).

13213331311 is an equidigital number, since it uses as much as digits as its factorization.

13213331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777254800.

The product of its digits is 486, while the sum is 22.

Adding to 13213331311 its reverse (11313331231), we get a palindrome (24526662542).

The spelling of 13213331311 in words is "thirteen billion, two hundred thirteen million, three hundred thirty-one thousand, three hundred eleven".