243141071 has 2 divisors, whose sum is σ = 243141072. Its totient is φ = 243141070.

The previous prime is 243141061. The next prime is 243141127. The reversal of 243141071 is 170141342.

It is a happy number.

243141071 is nontrivially palindromic in base 9.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243141071 - 2¹⁸ = 242878927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243141001) 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, 121570535 + 121570536.

It is an arithmetic number, because the mean of its divisors is an integer number (121570536).

Almost surely, 2^243141071 is an apocalyptic number.

243141071 is a deficient number, since it is larger than the sum of its proper divisors (1).

243141071 is an equidigital number, since it uses as much as digits as its factorization.

243141071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 243141071 is about 15592.9814660314. The cubic root of 243141071 is about 624.1458805530.

The spelling of 243141071 in words is "two hundred forty-three million, one hundred forty-one thousand, seventy-one".