111131430230 has 16 divisors (see below), whose sum is σ = 200110193280. Its totient is φ = 44436212352.

The previous prime is 111131430197. The next prime is 111131430313. The reversal of 111131430230 is 32034131111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 2016419 + ... + 2070798.

It is an arithmetic number, because the mean of its divisors is an integer number (12506887080).

Almost surely, 2^111131430230 is an apocalyptic number.

111131430230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111131430230 is a deficient number, since it is larger than the sum of its proper divisors (88978763050).

111131430230 is a wasteful number, since it uses less digits than its factorization.

111131430230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089943.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111131430230 its reverse (32034131111), we get a palindrome (143165561341).

The spelling of 111131430230 in words is "one hundred eleven billion, one hundred thirty-one million, four hundred thirty thousand, two hundred thirty".