13002311111 has 4 divisors (see below), whose sum is σ = 13006996032. Its totient is φ = 12997626192.

The previous prime is 13002311089. The next prime is 13002311131. The reversal of 13002311111 is 11111320031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11111320031 = 7 ⋅1587331433.

It is a cyclic number.

It is not a de Polignac number, because 13002311111 - 2¹⁸ = 13002048967 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 (13002311131) 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, 2338295 + ... + 2343848.

It is an arithmetic number, because the mean of its divisors is an integer number (3251749008).

Almost surely, 2^13002311111 is an apocalyptic number.

13002311111 is a deficient number, since it is larger than the sum of its proper divisors (4684921).

13002311111 is an equidigital number, since it uses as much as digits as its factorization.

13002311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684920.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13002311111 its reverse (11111320031), we get a palindrome (24113631142).

The spelling of 13002311111 in words is "thirteen billion, two million, three hundred eleven thousand, one hundred eleven".