243302220041 has 16 divisors (see below), whose sum is σ = 251979227136. Its totient is φ = 234678090000.

The previous prime is 243302220037. The next prime is 243302220053. The reversal of 243302220041 is 140022203342.

It is a cyclic number.

It is not a de Polignac number, because 243302220041 - 2² = 243302220037 is a prime.

It is a super-3 number, since 3×243302220041³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243302219989 and 243302220016.

It is not an unprimeable number, because it can be changed into a prime (243302220841) 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, 14568506 + ... + 14585196.

It is an arithmetic number, because the mean of its divisors is an integer number (15748701696).

Almost surely, 2^243302220041 is an apocalyptic number.

It is an amenable number.

243302220041 is a deficient number, since it is larger than the sum of its proper divisors (8677007095).

243302220041 is a wasteful number, since it uses less digits than its factorization.

243302220041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 243302220041 its reverse (140022203342), we get a palindrome (383324423383).

The spelling of 243302220041 in words is "two hundred forty-three billion, three hundred two million, two hundred twenty thousand, forty-one".