13231223333321 has 16 divisors (see below), whose sum is σ = 15329180199168. Its totient is φ = 11186065896000.

The previous prime is 13231223333297. The next prime is 13231223333333. The reversal of 13231223333321 is 12333332213231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13231223333321 - 2¹⁴ = 13231223316937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231223333621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35393150 + ... + 35765031.

It is an arithmetic number, because the mean of its divisors is an integer number (958073762448).

Almost surely, 2^{13231223333321} is an apocalyptic number.

It is an amenable number.

13231223333321 is a deficient number, since it is larger than the sum of its proper divisors (2097956865847).

13231223333321 is a wasteful number, since it uses less digits than its factorization.

13231223333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71158552.

The product of its digits is 34992, while the sum is 32.

Adding to 13231223333321 its reverse (12333332213231), we get a palindrome (25564555546552).

The spelling of 13231223333321 in words is "thirteen trillion, two hundred thirty-one billion, two hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty-one".