13311111133 has 2 divisors, whose sum is σ = 13311111134. Its totient is φ = 13311111132.

The previous prime is 13311111119. The next prime is 13311111137. The reversal of 13311111133 is 33111111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13013790084 + 297321049 = 114078^2 + 17243^2 .

It is an emirp because it is prime and its reverse (33111111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13311111133 - 2⁵ = 13311111101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13311111133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311111137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655555566 + 6655555567.

It is an arithmetic number, because the mean of its divisors is an integer number (6655555567).

Almost surely, 2^13311111133 is an apocalyptic number.

It is an amenable number.

13311111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311111133 is an equidigital number, since it uses as much as digits as its factorization.

13311111133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81, while the sum is 19.

Adding to 13311111133 its reverse (33111111331), we get a palindrome (46422222464).

The spelling of 13311111133 in words is "thirteen billion, three hundred eleven million, one hundred eleven thousand, one hundred thirty-three".