243033321141 has 18 divisors (see below), whose sum is σ = 380129043138. Its totient is φ = 149558965920.

The previous prime is 243033321119. The next prime is 243033321187. The reversal of 243033321141 is 141123330342.

It is a happy number.

243033321141 is a `hidden beast` number, since 24 + 303 + 3 + 321 + 14 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7731684900 + 235301636241 = 87930^2 + 485079^2 .

It is not a de Polignac number, because 243033321141 - 2¹¹ = 243033319093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243033321241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79891090 + ... + 79894131.

Almost surely, 2^243033321141 is an apocalyptic number.

It is an amenable number.

243033321141 is a deficient number, since it is larger than the sum of its proper divisors (137095721997).

243033321141 is a wasteful number, since it uses less digits than its factorization.

243033321141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159785253 (or 159785237 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 243033321141 its reverse (141123330342), we get a palindrome (384156651483).

The spelling of 243033321141 in words is "two hundred forty-three billion, thirty-three million, three hundred twenty-one thousand, one hundred forty-one".