243301200133321 has 16 divisors (see below), whose sum is σ = 266706071670528. Its totient is φ = 220112274130000.

The previous prime is 243301200133319. The next prime is 243301200133379. The reversal of 243301200133321 is 123331002103342.

It is a cyclic number.

It is not a de Polignac number, because 243301200133321 - 2¹ = 243301200133319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243301200133321.

It is not an unprimeable number, because it can be changed into a prime (243301200133301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34674031 + ... + 41096116.

It is an arithmetic number, because the mean of its divisors is an integer number (16669129479408).

Almost surely, 2^{243301200133321} is an apocalyptic number.

It is an amenable number.

243301200133321 is a deficient number, since it is larger than the sum of its proper divisors (23404871537207).

243301200133321 is a wasteful number, since it uses less digits than its factorization.

243301200133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75771572.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 243301200133321 its reverse (123331002103342), we get a palindrome (366632202236663).

The spelling of 243301200133321 in words is "two hundred forty-three trillion, three hundred one billion, two hundred million, one hundred thirty-three thousand, three hundred twenty-one".