13321333133 has 4 divisors (see below), whose sum is σ = 13321804860. Its totient is φ = 13320861408.

The previous prime is 13321333097. The next prime is 13321333139. The reversal of 13321333133 is 33133312331.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8354325604 + 4967007529 = 91402^2 + 70477^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321333133 - 2¹⁰ = 13321332109 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 (13321333139) 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, 190610 + ... + 250947.

It is an arithmetic number, because the mean of its divisors is an integer number (3330451215).

Almost surely, 2^13321333133 is an apocalyptic number.

It is an amenable number.

13321333133 is a deficient number, since it is larger than the sum of its proper divisors (471727).

13321333133 is an equidigital number, since it uses as much as digits as its factorization.

13321333133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471726.

The product of its digits is 4374, while the sum is 26.

Adding to 13321333133 its reverse (33133312331), we get a palindrome (46454645464).

The spelling of 13321333133 in words is "thirteen billion, three hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-three".