13111001311 has 4 divisors (see below), whose sum is σ = 13148569000. Its totient is φ = 13073433624.

The previous prime is 13111001287. The next prime is 13111001353. The reversal of 13111001311 is 11310011131.

13111001311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11310011131 = 2399 ⋅4714469.

It is a cyclic number.

It is not a de Polignac number, because 13111001311 - 2¹⁵ = 13110968543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111001291 and 13111001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18783321 + ... + 18784018.

It is an arithmetic number, because the mean of its divisors is an integer number (3287142250).

Almost surely, 2^13111001311 is an apocalyptic number.

13111001311 is a deficient number, since it is larger than the sum of its proper divisors (37567689).

13111001311 is an equidigital number, since it uses as much as digits as its factorization.

13111001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37567688.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 13111001311 its reverse (11310011131), we get a palindrome (24421012442).

The spelling of 13111001311 in words is "thirteen billion, one hundred eleven million, one thousand, three hundred eleven".