243141341 has 2 divisors, whose sum is σ = 243141342. Its totient is φ = 243141340.

The previous prime is 243141331. The next prime is 243141377. The reversal of 243141341 is 143141342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214476025 + 28665316 = 14645^2 + 5354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243141341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243141331) 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, 121570670 + 121570671.

It is an arithmetic number, because the mean of its divisors is an integer number (121570671).

Almost surely, 2^243141341 is an apocalyptic number.

It is an amenable number.

243141341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243141341 is an equidigital number, since it uses as much as digits as its factorization.

243141341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 243141341 is about 15592.9901237704. The cubic root of 243141341 is about 624.1461115839.

Adding to 243141341 its reverse (143141342), we get a palindrome (386282683).

Subtracting from 243141341 its reverse (143141342), we obtain a palindrome (99999999).

The spelling of 243141341 in words is "two hundred forty-three million, one hundred forty-one thousand, three hundred forty-one".