11313203111 has 4 divisors (see below), whose sum is σ = 12929374992. Its totient is φ = 9697031232.

The previous prime is 11313203107. The next prime is 11313203173. The reversal of 11313203111 is 11130231311.

11313203111 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.

It is not a de Polignac number, because 11313203111 - 2² = 11313203107 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 11313203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313208111) 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, 808085930 + ... + 808085943.

It is an arithmetic number, because the mean of its divisors is an integer number (3232343748).

Almost surely, 2^11313203111 is an apocalyptic number.

11313203111 is a deficient number, since it is larger than the sum of its proper divisors (1616171881).

11313203111 is an equidigital number, since it uses as much as digits as its factorization.

11313203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616171880.

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

Adding to 11313203111 its reverse (11130231311), we get a palindrome (22443434422).

The spelling of 11313203111 in words is "eleven billion, three hundred thirteen million, two hundred three thousand, one hundred eleven".