13112233133 has 4 divisors (see below), whose sum is σ = 13117292508. Its totient is φ = 13107173760.

The previous prime is 13112233073. The next prime is 13112233151. The reversal of 13112233133 is 33133221131.

13112233133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8463448009 + 4648785124 = 91997^2 + 68182^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112233133 - 2⁸ = 13112232877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112233099 and 13112233108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112233163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525798 + ... + 2530983.

It is an arithmetic number, because the mean of its divisors is an integer number (3279323127).

Almost surely, 2^13112233133 is an apocalyptic number.

It is an amenable number.

13112233133 is a deficient number, since it is larger than the sum of its proper divisors (5059375).

13112233133 is an equidigital number, since it uses as much as digits as its factorization.

13112233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059374.

The product of its digits is 972, while the sum is 23.

Adding to 13112233133 its reverse (33133221131), we get a palindrome (46245454264).

The spelling of 13112233133 in words is "thirteen billion, one hundred twelve million, two hundred thirty-three thousand, one hundred thirty-three".