13111213303 has 4 divisors (see below), whose sum is σ = 13326151288. Its totient is φ = 12896275320.

The previous prime is 13111213301. The next prime is 13111213307. The reversal of 13111213303 is 30331211131.

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 13111213303 - 2¹ = 13111213301 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 (13111213301) 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, 107468901 + ... + 107469022.

It is an arithmetic number, because the mean of its divisors is an integer number (3331537822).

Almost surely, 2^13111213303 is an apocalyptic number.

13111213303 is a deficient number, since it is larger than the sum of its proper divisors (214937985).

13111213303 is an equidigital number, since it uses as much as digits as its factorization.

13111213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214937984.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13111213303 its reverse (30331211131), we get a palindrome (43442424434).

The spelling of 13111213303 in words is "thirteen billion, one hundred eleven million, two hundred thirteen thousand, three hundred three".