113211111311 has 8 divisors (see below), whose sum is σ = 113886900720. Its totient is φ = 112535803648.

The previous prime is 113211111289. The next prime is 113211111331. The reversal of 113211111311 is 113111112311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113211111311 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 113211111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356585 + ... + 594621.

It is an arithmetic number, because the mean of its divisors is an integer number (14235862590).

Almost surely, 2^113211111311 is an apocalyptic number.

113211111311 is a deficient number, since it is larger than the sum of its proper divisors (675789409).

113211111311 is a wasteful number, since it uses less digits than its factorization.

113211111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240873.

The product of its digits is 18, while the sum is 17.

Adding to 113211111311 its reverse (113111112311), we get a palindrome (226322223622).

The spelling of 113211111311 in words is "one hundred thirteen billion, two hundred eleven million, one hundred eleven thousand, three hundred eleven".