111530230 has 32 divisors (see below), whose sum is σ = 237349440. Its totient is φ = 36919680.

The previous prime is 111530213. The next prime is 111530239. The reversal of 111530230 is 32035111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111530239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25441 + ... + 29500.

It is an arithmetic number, because the mean of its divisors is an integer number (7417170).

Almost surely, 2^111530230 is an apocalyptic number.

111530230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111530230 is an abundant number, since it is smaller than the sum of its proper divisors (125819210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111530230 is a wasteful number, since it uses less digits than its factorization.

111530230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54984.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 111530230 is about 10560.7873759488. The cubic root of 111530230 is about 481.3535723558.

Adding to 111530230 its reverse (32035111), we get a palindrome (143565341).

The spelling of 111530230 in words is "one hundred eleven million, five hundred thirty thousand, two hundred thirty".