243052204331 has 2 divisors, whose sum is σ = 243052204332. Its totient is φ = 243052204330.

The previous prime is 243052204309. The next prime is 243052204357. The reversal of 243052204331 is 133402250342.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243052204331 - 2¹⁴ = 243052187947 is a prime.

It is a super-2 number, since 2×243052204331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243052204294 and 243052204303.

It is not a weakly prime, because it can be changed into another prime (243052204391) 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, 121526102165 + 121526102166.

It is an arithmetic number, because the mean of its divisors is an integer number (121526102166).

Almost surely, 2^243052204331 is an apocalyptic number.

243052204331 is a deficient number, since it is larger than the sum of its proper divisors (1).

243052204331 is an equidigital number, since it uses as much as digits as its factorization.

243052204331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243052204331 its reverse (133402250342), we get a palindrome (376454454673).

The spelling of 243052204331 in words is "two hundred forty-three billion, fifty-two million, two hundred four thousand, three hundred thirty-one".