243113330200441 has 2 divisors, whose sum is σ = 243113330200442. Its totient is φ = 243113330200440.

The previous prime is 243113330200427. The next prime is 243113330200501. The reversal of 243113330200441 is 144002033311342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239212622250000 + 3900707950441 = 15466500^2 + 1975021^2 .

It is a cyclic number.

It is not a de Polignac number, because 243113330200441 - 2²⁵ = 243113296646009 is a prime.

It is a super-2 number, since 2×243113330200441² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243113330260441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556665100220 + 121556665100221.

It is an arithmetic number, because the mean of its divisors is an integer number (121556665100221).

Almost surely, 2^{243113330200441} is an apocalyptic number.

It is an amenable number.

243113330200441 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113330200441 is an equidigital number, since it uses as much as digits as its factorization.

243113330200441 is an odious number, because the sum of its binary digits is odd.

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

Adding to 243113330200441 its reverse (144002033311342), we get a palindrome (387115363511783).

The spelling of 243113330200441 in words is "two hundred forty-three trillion, one hundred thirteen billion, three hundred thirty million, two hundred thousand, four hundred forty-one".