111303231013 has 8 divisors (see below), whose sum is σ = 119874062168. Its totient is φ = 102733691904.

The previous prime is 111303230957. The next prime is 111303231031. The reversal of 111303231013 is 310132303111.

It can be written as a sum of positive squares in 4 ways, for example, as 8276996484 + 103026234529 = 90978^2 + 320977^2 .

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 111303231013 - 2²⁹ = 110766360101 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 (111303241013) 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, 140256 + ... + 492217.

It is an arithmetic number, because the mean of its divisors is an integer number (14984257771).

Almost surely, 2^111303231013 is an apocalyptic number.

111303231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111303231013 is a deficient number, since it is larger than the sum of its proper divisors (8570831155).

111303231013 is a wasteful number, since it uses less digits than its factorization.

111303231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646023.

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

Adding to 111303231013 its reverse (310132303111), we get a palindrome (421435534124).

The spelling of 111303231013 in words is "one hundred eleven billion, three hundred three million, two hundred thirty-one thousand, thirteen".