243241301111 has 4 divisors (see below), whose sum is σ = 243244862952. Its totient is φ = 243237739272.

The previous prime is 243241301087. The next prime is 243241301113. The reversal of 243241301111 is 111103142342.

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 243241301111 - 2³⁰ = 242167559287 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 (243241301113) 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, 1676441 + ... + 1815746.

It is an arithmetic number, because the mean of its divisors is an integer number (60811215738).

Almost surely, 2^243241301111 is an apocalyptic number.

243241301111 is a deficient number, since it is larger than the sum of its proper divisors (3561841).

243241301111 is an equidigital number, since it uses as much as digits as its factorization.

243241301111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561840.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 243241301111 its reverse (111103142342), we get a palindrome (354344443453).

The spelling of 243241301111 in words is "two hundred forty-three billion, two hundred forty-one million, three hundred one thousand, one hundred eleven".