13213543331 has 16 divisors (see below), whose sum is σ = 14075625600. Its totient is φ = 12368334528.

The previous prime is 13213543319. The next prime is 13213543361. The reversal of 13213543331 is 13334531231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213543331 is a prime.

It is a super-2 number, since 2×13213543331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13213543294 and 13213543303.

It is not an unprimeable number, because it can be changed into a prime (13213543361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723500 + ... + 3727046.

It is an arithmetic number, because the mean of its divisors is an integer number (879726600).

Almost surely, 2^13213543331 is an apocalyptic number.

13213543331 is a deficient number, since it is larger than the sum of its proper divisors (862082269).

13213543331 is a wasteful number, since it uses less digits than its factorization.

13213543331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858.

The product of its digits is 9720, while the sum is 29.

The spelling of 13213543331 in words is "thirteen billion, two hundred thirteen million, five hundred forty-three thousand, three hundred thirty-one".