243042442113 has 8 divisors (see below), whose sum is σ = 327265070976. Its totient is φ = 160424054000.

The previous prime is 243042442103. The next prime is 243042442127. The reversal of 243042442113 is 311244240342.

243042442113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243042442113 - 2³⁰ = 241968700289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243042442103) 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, 401059833 + ... + 401060438.

It is an arithmetic number, because the mean of its divisors is an integer number (40908133872).

Almost surely, 2^243042442113 is an apocalyptic number.

It is an amenable number.

243042442113 is a deficient number, since it is larger than the sum of its proper divisors (84222628863).

243042442113 is a wasteful number, since it uses less digits than its factorization.

243042442113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802120375.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243042442113 its reverse (311244240342), we get a palindrome (554286682455).

The spelling of 243042442113 in words is "two hundred forty-three billion, forty-two million, four hundred forty-two thousand, one hundred thirteen".