243330210241 has 4 divisors (see below), whose sum is σ = 243355485184. Its totient is φ = 243304935300.

The previous prime is 243330210239. The next prime is 243330210247. The reversal of 243330210241 is 142012033342.

243330210241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243330210241 - 2¹ = 243330210239 is a prime.

It is a super-4 number, since 4×243330210241⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243330210247) 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 3 ways as a sum of consecutive naturals, for example, 12623025 + ... + 12642286.

It is an arithmetic number, because the mean of its divisors is an integer number (60838871296).

Almost surely, 2^243330210241 is an apocalyptic number.

It is an amenable number.

243330210241 is a deficient number, since it is larger than the sum of its proper divisors (25274943).

243330210241 is an equidigital number, since it uses as much as digits as its factorization.

243330210241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25274942.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243330210241 its reverse (142012033342), we get a palindrome (385342243583).

The spelling of 243330210241 in words is "two hundred forty-three billion, three hundred thirty million, two hundred ten thousand, two hundred forty-one".