243024131440201 has 2 divisors, whose sum is σ = 243024131440202. Its totient is φ = 243024131440200.

The previous prime is 243024131440199. The next prime is 243024131440241. The reversal of 243024131440201 is 102044131420342.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187039677300025 + 55984454140176 = 13676245^2 + 7482276^2 .

It is a cyclic number.

It is not a de Polignac number, because 243024131440201 - 2¹ = 243024131440199 is a prime.

Together with 243024131440199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (243024131440241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121512065720100 + 121512065720101.

It is an arithmetic number, because the mean of its divisors is an integer number (121512065720101).

Almost surely, 2^{243024131440201} is an apocalyptic number.

It is an amenable number.

243024131440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

243024131440201 is an equidigital number, since it uses as much as digits as its factorization.

243024131440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 243024131440201 its reverse (102044131420342), we get a palindrome (345068262860543).

The spelling of 243024131440201 in words is "two hundred forty-three trillion, twenty-four billion, one hundred thirty-one million, four hundred forty thousand, two hundred one".