243313201 has 8 divisors (see below), whose sum is σ = 247752000. Its totient is φ = 238889040.

The previous prime is 243313193. The next prime is 243313211. The reversal of 243313201 is 102313342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243313201 - 2³ = 243313193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243313211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33210 + ... + 39868.

It is an arithmetic number, because the mean of its divisors is an integer number (30969000).

Almost surely, 2^243313201 is an apocalyptic number.

It is an amenable number.

243313201 is a deficient number, since it is larger than the sum of its proper divisors (4438799).

243313201 is an equidigital number, since it uses as much as digits as its factorization.

243313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 243313201 is about 15598.4999599320. The cubic root of 243313201 is about 624.2931323624.

Adding to 243313201 its reverse (102313342), we get a palindrome (345626543).

The spelling of 243313201 in words is "two hundred forty-three million, three hundred thirteen thousand, two hundred one".