243113311343 has 8 divisors (see below), whose sum is σ = 277992299520. Its totient is φ = 208271451960.

The previous prime is 243113311327. The next prime is 243113311349. The reversal of 243113311343 is 343113311342.

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 243113311343 - 2⁴ = 243113311327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113311349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9268163 + ... + 9294356.

It is an arithmetic number, because the mean of its divisors is an integer number (34749037440).

Almost surely, 2^243113311343 is an apocalyptic number.

243113311343 is a deficient number, since it is larger than the sum of its proper divisors (34878988177).

243113311343 is a wasteful number, since it uses less digits than its factorization.

243113311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18564397.

The product of its digits is 7776, while the sum is 29.

Adding to 243113311343 its reverse (343113311342), we get a palindrome (586226622685).

Subtracting 243113311343 from its reverse (343113311342), we obtain a palindrome (99999999999).

The spelling of 243113311343 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred eleven thousand, three hundred forty-three".