13321331211 has 8 divisors (see below), whose sum is σ = 17764893904. Its totient is φ = 8879328000.

The previous prime is 13321331209. The next prime is 13321331227. The reversal of 13321331211 is 11213312331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321331211 - 2¹ = 13321331209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321331201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369790 + ... + 404211.

It is an arithmetic number, because the mean of its divisors is an integer number (2220611738).

Almost surely, 2^13321331211 is an apocalyptic number.

13321331211 is a deficient number, since it is larger than the sum of its proper divisors (4443562693).

13321331211 is an equidigital number, since it uses as much as digits as its factorization.

13321331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779741.

The product of its digits is 324, while the sum is 21.

Adding to 13321331211 its reverse (11213312331), we get a palindrome (24534643542).

The spelling of 13321331211 in words is "thirteen billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred eleven".