13331021133 has 4 divisors (see below), whose sum is σ = 17774694848. Its totient is φ = 8887347420.

The previous prime is 13331021063. The next prime is 13331021159. The reversal of 13331021133 is 33112013331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33112013331 = 3 ⋅11037337777.

It is not a de Polignac number, because 13331021133 - 2¹⁴ = 13331004749 is a prime.

It is a super-2 number, since 2×13331021133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331021633) 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 3 ways as a sum of consecutive naturals, for example, 2221836853 + ... + 2221836858.

It is an arithmetic number, because the mean of its divisors is an integer number (4443673712).

Almost surely, 2^13331021133 is an apocalyptic number.

It is an amenable number.

13331021133 is a deficient number, since it is larger than the sum of its proper divisors (4443673715).

13331021133 is an equidigital number, since it uses as much as digits as its factorization.

13331021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443673714.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13331021133 its reverse (33112013331), we get a palindrome (46443034464).

The spelling of 13331021133 in words is "thirteen billion, three hundred thirty-one million, twenty-one thousand, one hundred thirty-three".