13311120311 has 4 divisors (see below), whose sum is σ = 13635781824. Its totient is φ = 12986458800.

The previous prime is 13311120293. The next prime is 13311120391. The reversal of 13311120311 is 11302111331.

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

It is a cyclic number.

It is not a de Polignac number, because 13311120311 - 2¹⁸ = 13310858167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13311120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311120391) 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, 162330695 + ... + 162330776.

It is an arithmetic number, because the mean of its divisors is an integer number (3408945456).

Almost surely, 2^13311120311 is an apocalyptic number.

13311120311 is a deficient number, since it is larger than the sum of its proper divisors (324661513).

13311120311 is an equidigital number, since it uses as much as digits as its factorization.

13311120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324661512.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13311120311 its reverse (11302111331), we get a palindrome (24613231642).

The spelling of 13311120311 in words is "thirteen billion, three hundred eleven million, one hundred twenty thousand, three hundred eleven".