113130218 has 32 divisors (see below), whose sum is σ = 185976000. Its totient is φ = 51408000.

The previous prime is 113130211. The next prime is 113130221. The reversal of 113130218 is 812031311.

It is a self number, because there is not a number n which added to its sum of digits gives 113130218.

It is not an unprimeable number, because it can be changed into a prime (113130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276398 + ... + 276806.

It is an arithmetic number, because the mean of its divisors is an integer number (5811750).

Almost surely, 2^113130218 is an apocalyptic number.

113130218 is a deficient number, since it is larger than the sum of its proper divisors (72845782).

113130218 is a wasteful number, since it uses less digits than its factorization.

113130218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 113130218 is about 10636.2689887009. The cubic root of 113130218 is about 483.6444495035.

Adding to 113130218 its reverse (812031311), we get a palindrome (925161529).

The spelling of 113130218 in words is "one hundred thirteen million, one hundred thirty thousand, two hundred eighteen".