13213422311 has 4 divisors (see below), whose sum is σ = 13270132512. Its totient is φ = 13156712112.

The previous prime is 13213422307. The next prime is 13213422317. The reversal of 13213422311 is 11322431231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13213422311 - 2² = 13213422307 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 (13213422317) 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, 28354751 + ... + 28355216.

It is an arithmetic number, because the mean of its divisors is an integer number (3317533128).

Almost surely, 2^13213422311 is an apocalyptic number.

13213422311 is a deficient number, since it is larger than the sum of its proper divisors (56710201).

13213422311 is an equidigital number, since it uses as much as digits as its factorization.

13213422311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56710200.

The product of its digits is 864, while the sum is 23.

Adding to 13213422311 its reverse (11322431231), we get a palindrome (24535853542).

The spelling of 13213422311 in words is "thirteen billion, two hundred thirteen million, four hundred twenty-two thousand, three hundred eleven".