13311133111 has 2 divisors, whose sum is σ = 13311133112. Its totient is φ = 13311133110.

The previous prime is 13311133079. The next prime is 13311133133. The reversal of 13311133111 is 11133111331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13311133111 - 2⁵ = 13311133079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311131111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655566555 + 6655566556.

It is an arithmetic number, because the mean of its divisors is an integer number (6655566556).

Almost surely, 2^13311133111 is an apocalyptic number.

13311133111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311133111 is an equidigital number, since it uses as much as digits as its factorization.

13311133111 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 13311133111 its reverse (11133111331), we get a palindrome (24444244442).

It can be divided in two parts, 133111331 and 11, that multiplied together give a palindrome (1464224641).

The spelling of 13311133111 in words is "thirteen billion, three hundred eleven million, one hundred thirty-three thousand, one hundred eleven".