243141022241 has 8 divisors (see below), whose sum is σ = 277246776744. Its totient is φ = 211235639040.

The previous prime is 243141022237. The next prime is 243141022291. The reversal of 243141022241 is 142220141342.

It can be written as a sum of positive squares in 4 ways, for example, as 88078225 + 243052944016 = 9385^2 + 493004^2 .

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 243141022241 - 2² = 243141022237 is a prime.

It is a super-3 number, since 3×243141022241³ (a number of 35 digits) contains 333 as substring.

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 243141022241.

It is not an unprimeable number, because it can be changed into a prime (243141022291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550092590 + ... + 550093031.

It is an arithmetic number, because the mean of its divisors is an integer number (34655847093).

Almost surely, 2^243141022241 is an apocalyptic number.

It is an amenable number.

243141022241 is a deficient number, since it is larger than the sum of its proper divisors (34105754503).

243141022241 is a wasteful number, since it uses less digits than its factorization.

243141022241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100185651.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 243141022241 its reverse (142220141342), we get a palindrome (385361163583).

The spelling of 243141022241 in words is "two hundred forty-three billion, one hundred forty-one million, twenty-two thousand, two hundred forty-one".