111320230 has 32 divisors (see below), whose sum is σ = 238961664. Its totient is φ = 36506976.

The previous prime is 111320203. The next prime is 111320239. The reversal of 111320230 is 32023111.

It is a self number, because there is not a number n which added to its sum of digits gives 111320230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32962 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (7467552).

Almost surely, 2^111320230 is an apocalyptic number.

111320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111320230 is an abundant number, since it is smaller than the sum of its proper divisors (127641434).

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

111320230 is a wasteful number, since it uses less digits than its factorization.

111320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69180.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 111320230 is about 10550.8402508995. The cubic root of 111320230 is about 481.0512693826.

Adding to 111320230 its reverse (32023111), we get a palindrome (143343341).

It can be divided in two parts, 111320 and 230, that multiplied together give a square (25603600 = 5060²).

The spelling of 111320230 in words is "one hundred eleven million, three hundred twenty thousand, two hundred thirty".