243241133341 has 2 divisors, whose sum is σ = 243241133342. Its totient is φ = 243241133340.

The previous prime is 243241133297. The next prime is 243241133351. The reversal of 243241133341 is 143331142342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238904910841 + 4336222500 = 488779^2 + 65850^2 .

It is a cyclic number.

It is not a de Polignac number, because 243241133341 - 2²⁵ = 243207578909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243241133351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121620566670 + 121620566671.

It is an arithmetic number, because the mean of its divisors is an integer number (121620566671).

Almost surely, 2^243241133341 is an apocalyptic number.

It is an amenable number.

243241133341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243241133341 is an equidigital number, since it uses as much as digits as its factorization.

243241133341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

Adding to 243241133341 its reverse (143331142342), we get a palindrome (386572275683).

Subtracting from 243241133341 its reverse (143331142342), we obtain a palindrome (99909990999).

The spelling of 243241133341 in words is "two hundred forty-three billion, two hundred forty-one million, one hundred thirty-three thousand, three hundred forty-one".