243043030241 has 16 divisors (see below), whose sum is σ = 274592913408. Its totient is φ = 213201416400.

The previous prime is 243043030213. The next prime is 243043030249. The reversal of 243043030241 is 142030340342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243043030241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243043030241.

It is not an unprimeable number, because it can be changed into a prime (243043030249) 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, 3273875 + ... + 3347288.

It is an arithmetic number, because the mean of its divisors is an integer number (17162057088).

Almost surely, 2^243043030241 is an apocalyptic number.

It is an amenable number.

243043030241 is a deficient number, since it is larger than the sum of its proper divisors (31549883167).

243043030241 is a wasteful number, since it uses less digits than its factorization.

243043030241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621292.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243043030241 its reverse (142030340342), we get a palindrome (385073370583).

The spelling of 243043030241 in words is "two hundred forty-three billion, forty-three million, thirty thousand, two hundred forty-one".