243314201 has 6 divisors (see below), whose sum is σ = 263470590. Its totient is φ = 224597568.

The previous prime is 243314191. The next prime is 243314207. The reversal of 243314201 is 102413342.

It can be written as a sum of positive squares in 3 ways, for example, as 18913801 + 224400400 = 4349^2 + 14980^2 .

It is not a de Polignac number, because 243314201 - 2¹⁰ = 243313177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243314207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 719696 + ... + 720033.

It is an arithmetic number, because the mean of its divisors is an integer number (43911765).

Almost surely, 2^243314201 is an apocalyptic number.

It is an amenable number.

243314201 is a deficient number, since it is larger than the sum of its proper divisors (20156389).

243314201 is a wasteful number, since it uses less digits than its factorization.

243314201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439755 (or 1439742 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 243314201 is about 15598.5320142634. The cubic root of 243314201 is about 624.2939876281.

Adding to 243314201 its reverse (102413342), we get a palindrome (345727543).

The spelling of 243314201 in words is "two hundred forty-three million, three hundred fourteen thousand, two hundred one".