13213231333 has 4 divisors (see below), whose sum is σ = 13218180928. Its totient is φ = 13208281740.

The previous prime is 13213231321. The next prime is 13213231349. The reversal of 13213231333 is 33313231231.

13213231333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13213231333 - 2²⁵ = 13179676901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213231298 and 13213231307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213231133) 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 in 3 ways as a sum of consecutive naturals, for example, 2470791 + ... + 2476132.

It is an arithmetic number, because the mean of its divisors is an integer number (3304545232).

Almost surely, 2^13213231333 is an apocalyptic number.

It is an amenable number.

13213231333 is a deficient number, since it is larger than the sum of its proper divisors (4949595).

13213231333 is an equidigital number, since it uses as much as digits as its factorization.

13213231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949594.

The product of its digits is 2916, while the sum is 25.

Adding to 13213231333 its reverse (33313231231), we get a palindrome (46526462564).

The spelling of 13213231333 in words is "thirteen billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred thirty-three".