13133112311 has 4 divisors (see below), whose sum is σ = 14327031624. Its totient is φ = 11939193000.

The previous prime is 13133112281. The next prime is 13133112313. The reversal of 13133112311 is 11321133131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133112311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133112313) 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, 596959640 + ... + 596959661.

It is an arithmetic number, because the mean of its divisors is an integer number (3581757906).

Almost surely, 2^13133112311 is an apocalyptic number.

13133112311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13133112311 is a deficient number, since it is larger than the sum of its proper divisors (1193919313).

13133112311 is a wasteful number, since it uses less digits than its factorization.

13133112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193919312.

The product of its digits is 162, while the sum is 20.

Adding to 13133112311 its reverse (11321133131), we get a palindrome (24454245442).

The spelling of 13133112311 in words is "thirteen billion, one hundred thirty-three million, one hundred twelve thousand, three hundred eleven".