243241311 has 8 divisors (see below), whose sum is σ = 325157040. Its totient is φ = 161743232.

The previous prime is 243241301. The next prime is 243241331. The reversal of 243241311 is 113142342.

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 243241311 - 2⁵ = 243241279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243241301) 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, 103050 + ... + 105383.

It is an arithmetic number, because the mean of its divisors is an integer number (40644630).

Almost surely, 2^243241311 is an apocalyptic number.

243241311 is a deficient number, since it is larger than the sum of its proper divisors (81915729).

243241311 is a wasteful number, since it uses less digits than its factorization.

243241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208825.

The product of its digits is 576, while the sum is 21.

The square root of 243241311 is about 15596.1954014433. The cubic root of 243241311 is about 624.2316411733.

Adding to 243241311 its reverse (113142342), we get a palindrome (356383653).

The spelling of 243241311 in words is "two hundred forty-three million, two hundred forty-one thousand, three hundred eleven".