13233231133 has 4 divisors (see below), whose sum is σ = 13234166460. Its totient is φ = 13232295808.

The previous prime is 13233231119. The next prime is 13233231139. The reversal of 13233231133 is 33113233231.

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 4646058244 + 8587172889 = 68162^2 + 92667^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233231133 - 2⁵ = 13233231101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233231098 and 13233231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233231139) 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, 446110 + ... + 474847.

It is an arithmetic number, because the mean of its divisors is an integer number (3308541615).

Almost surely, 2^13233231133 is an apocalyptic number.

It is an amenable number.

13233231133 is a deficient number, since it is larger than the sum of its proper divisors (935327).

13233231133 is an equidigital number, since it uses as much as digits as its factorization.

13233231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935326.

The product of its digits is 2916, while the sum is 25.

Adding to 13233231133 its reverse (33113233231), we get a palindrome (46346464364).

The spelling of 13233231133 in words is "thirteen billion, two hundred thirty-three million, two hundred thirty-one thousand, one hundred thirty-three".