111130231 has 8 divisors (see below), whose sum is σ = 113690304. Its totient is φ = 108578400.

The previous prime is 111130219. The next prime is 111130237. The reversal of 111130231 is 132031111.

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 111130231 - 2⁹ = 111129719 is a prime.

It is a super-2 number, since 2×111130231² = 24699856484226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111130237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31261 + ... + 34633.

It is an arithmetic number, because the mean of its divisors is an integer number (14211288).

Almost surely, 2^111130231 is an apocalyptic number.

111130231 is a deficient number, since it is larger than the sum of its proper divisors (2560073).

111130231 is an equidigital number, since it uses as much as digits as its factorization.

111130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111130231 is about 10541.8324308443. The cubic root of 111130231 is about 480.7774308391. Note that the first 3 decimals are identical.

Adding to 111130231 its reverse (132031111), we get a palindrome (243161342).

The spelling of 111130231 in words is "one hundred eleven million, one hundred thirty thousand, two hundred thirty-one".