13111313311 has 8 divisors (see below), whose sum is σ = 13394176704. Its totient is φ = 12828612480.

The previous prime is 13111313287. The next prime is 13111313333. The reversal of 13111313311 is 11331311131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13111313311 - 2¹⁹ = 13110789023 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 (13111323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130051 + ... + 207691.

It is an arithmetic number, because the mean of its divisors is an integer number (1674272088).

Almost surely, 2^13111313311 is an apocalyptic number.

13111313311 is a deficient number, since it is larger than the sum of its proper divisors (282863393).

13111313311 is an equidigital number, since it uses as much as digits as its factorization.

13111313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81281.

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

Adding to 13111313311 its reverse (11331311131), we get a palindrome (24442624442).

The spelling of 13111313311 in words is "thirteen billion, one hundred eleven million, three hundred thirteen thousand, three hundred eleven".