243144320241 has 16 divisors (see below), whose sum is σ = 343356188544. Its totient is φ = 152519533824.

The previous prime is 243144320227. The next prime is 243144320257. The reversal of 243144320241 is 142023441342.

It is not a de Polignac number, because 243144320241 - 2³⁰ = 242070578417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243144320199 and 243144320208.

It is not an unprimeable number, because it can be changed into a prime (243144320141) 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, 460765 + ... + 835818.

It is an arithmetic number, because the mean of its divisors is an integer number (21459761784).

Almost surely, 2^243144320241 is an apocalyptic number.

It is an amenable number.

243144320241 is a deficient number, since it is larger than the sum of its proper divisors (100211868303).

243144320241 is a wasteful number, since it uses less digits than its factorization.

243144320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300280.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243144320241 its reverse (142023441342), we get a palindrome (385167761583).

The spelling of 243144320241 in words is "two hundred forty-three billion, one hundred forty-four million, three hundred twenty thousand, two hundred forty-one".