243430113 has 16 divisors (see below), whose sum is σ = 331252416. Its totient is φ = 158957760.

The previous prime is 243430081. The next prime is 243430129. The reversal of 243430113 is 311034342.

It is not a de Polignac number, because 243430113 - 2⁵ = 243430081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243430113.

It is not an unprimeable number, because it can be changed into a prime (243430153) 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, 148806 + ... + 150432.

It is an arithmetic number, because the mean of its divisors is an integer number (20703276).

Almost surely, 2^243430113 is an apocalyptic number.

It is an amenable number.

243430113 is a deficient number, since it is larger than the sum of its proper divisors (87822303).

243430113 is a wasteful number, since it uses less digits than its factorization.

243430113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 243430113 is about 15602.2470497041. The cubic root of 243430113 is about 624.3931073074.

Adding to 243430113 its reverse (311034342), we get a palindrome (554464455).

The spelling of 243430113 in words is "two hundred forty-three million, four hundred thirty thousand, one hundred thirteen".