13001011311 has 4 divisors (see below), whose sum is σ = 17334681752. Its totient is φ = 8667340872.

The previous prime is 13001011279. The next prime is 13001011319. The reversal of 13001011311 is 11311010031.

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

It is not a de Polignac number, because 13001011311 - 2⁵ = 13001011279 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 (13001011319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166835216 + ... + 2166835221.

It is an arithmetic number, because the mean of its divisors is an integer number (4333670438).

Almost surely, 2^13001011311 is an apocalyptic number.

13001011311 is a deficient number, since it is larger than the sum of its proper divisors (4333670441).

13001011311 is an equidigital number, since it uses as much as digits as its factorization.

13001011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333670440.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 13001011311 its reverse (11311010031), we get a palindrome (24312021342).

The spelling of 13001011311 in words is "thirteen billion, one million, eleven thousand, three hundred eleven".