13321433223331 has 4 divisors (see below), whose sum is σ = 13439322013032. Its totient is φ = 13203544433632.

The previous prime is 13321433223299. The next prime is 13321433223359. The reversal of 13321433223331 is 13332233412331.

It is a happy number.

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 13321433223331 - 2⁵ = 13321433223299 is a prime.

It is a super-2 number, since 2×13321433223331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321433223031) 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, 58944394681 + ... + 58944394906.

It is an arithmetic number, because the mean of its divisors is an integer number (3359830503258).

Almost surely, 2^{13321433223331} is an apocalyptic number.

13321433223331 is a deficient number, since it is larger than the sum of its proper divisors (117888789701).

13321433223331 is a wasteful number, since it uses less digits than its factorization.

13321433223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117888789700.

The product of its digits is 69984, while the sum is 34.

Adding to 13321433223331 its reverse (13332233412331), we get a palindrome (26653666635662).

The spelling of 13321433223331 in words is "thirteen trillion, three hundred twenty-one billion, four hundred thirty-three million, two hundred twenty-three thousand, three hundred thirty-one".