243341431141 has 2 divisors, whose sum is σ = 243341431142. Its totient is φ = 243341431140.

The previous prime is 243341431133. The next prime is 243341431211. The reversal of 243341431141 is 141134143342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226971252225 + 16370178916 = 476415^2 + 127946^2 .

It is a cyclic number.

It is not a de Polignac number, because 243341431141 - 2³ = 243341431133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243341401141) 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, 121670715570 + 121670715571.

It is an arithmetic number, because the mean of its divisors is an integer number (121670715571).

Almost surely, 2^243341431141 is an apocalyptic number.

It is an amenable number.

243341431141 is a deficient number, since it is larger than the sum of its proper divisors (1).

243341431141 is an equidigital number, since it uses as much as digits as its factorization.

243341431141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

Adding to 243341431141 its reverse (141134143342), we get a palindrome (384475574483).

The spelling of 243341431141 in words is "two hundred forty-three billion, three hundred forty-one million, four hundred thirty-one thousand, one hundred forty-one".