243302042311 has 4 divisors (see below), whose sum is σ = 247425805800. Its totient is φ = 239178278824.

The previous prime is 243302042299. The next prime is 243302042317. The reversal of 243302042311 is 113240203342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243302042311 - 2¹¹ = 243302040263 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 (243302042317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061881656 + ... + 2061881773.

It is an arithmetic number, because the mean of its divisors is an integer number (61856451450).

Almost surely, 2^243302042311 is an apocalyptic number.

243302042311 is a deficient number, since it is larger than the sum of its proper divisors (4123763489).

243302042311 is an equidigital number, since it uses as much as digits as its factorization.

243302042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123763488.

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

Adding to 243302042311 its reverse (113240203342), we get a palindrome (356542245653).

The spelling of 243302042311 in words is "two hundred forty-three billion, three hundred two million, forty-two thousand, three hundred eleven".