13110311133 has 20 divisors (see below), whose sum is σ = 19954064988. Its totient is φ = 8575295040.

The previous prime is 13110311131. The next prime is 13110311251. The reversal of 13110311133 is 33111301131.

It can be written as a sum of positive squares in 2 ways, for example, as 10567428804 + 2542882329 = 102798^2 + 50427^2 .

It is not a de Polignac number, because 13110311133 - 2¹ = 13110311131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110311131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1522648 + ... + 1531233.

Almost surely, 2^13110311133 is an apocalyptic number.

It is an amenable number.

13110311133 is a deficient number, since it is larger than the sum of its proper divisors (6843753855).

13110311133 is an equidigital number, since it uses as much as digits as its factorization.

13110311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053946 (or 3053937 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 13110311133 its reverse (33111301131), we get a palindrome (46221612264).

The spelling of 13110311133 in words is "thirteen billion, one hundred ten million, three hundred eleven thousand, one hundred thirty-three".