111231313113 has 8 divisors (see below), whose sum is σ = 151106689728. Its totient is φ = 72755072624.

The previous prime is 111231313111. The next prime is 111231313117. The reversal of 111231313113 is 311313132111.

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

It is a cyclic number.

It is not a de Polignac number, because 111231313113 - 2¹ = 111231313111 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111231313113.

It is not an unprimeable number, because it can be changed into a prime (111231313111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349783845 + ... + 349784162.

It is an arithmetic number, because the mean of its divisors is an integer number (18888336216).

Almost surely, 2^111231313113 is an apocalyptic number.

It is an amenable number.

111231313113 is a deficient number, since it is larger than the sum of its proper divisors (39875376615).

111231313113 is an equidigital number, since it uses as much as digits as its factorization.

111231313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699568063.

The product of its digits is 162, while the sum is 21.

Adding to 111231313113 its reverse (311313132111), we get a palindrome (422544445224).

The spelling of 111231313113 in words is "one hundred eleven billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred thirteen".