243342302101 has 2 divisors, whose sum is σ = 243342302102. Its totient is φ = 243342302100.

The previous prime is 243342302051. The next prime is 243342302107. The reversal of 243342302101 is 101203243342.

243342302101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238197683025 + 5144619076 = 488055^2 + 71726^2 .

It is a cyclic number.

It is not a de Polignac number, because 243342302101 - 2¹⁷ = 243342171029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243342302107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121671151050 + 121671151051.

It is an arithmetic number, because the mean of its divisors is an integer number (121671151051).

Almost surely, 2^243342302101 is an apocalyptic number.

It is an amenable number.

243342302101 is a deficient number, since it is larger than the sum of its proper divisors (1).

243342302101 is an equidigital number, since it uses as much as digits as its factorization.

243342302101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243342302101 its reverse (101203243342), we get a palindrome (344545545443).

The spelling of 243342302101 in words is "two hundred forty-three billion, three hundred forty-two million, three hundred two thousand, one hundred one".