243130441 has 16 divisors (see below), whose sum is σ = 263914560. Its totient is φ = 223197120.

The previous prime is 243130421. The next prime is 243130453. The reversal of 243130441 is 144031342.

It is a cyclic number.

It is not a de Polignac number, because 243130441 - 2⁵ = 243130409 is a prime.

It is a super-2 number, since 2×243130441² = 118224822681708962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243130411) 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, 222306 + ... + 223396.

It is an arithmetic number, because the mean of its divisors is an integer number (16494660).

Almost surely, 2^243130441 is an apocalyptic number.

It is an amenable number.

243130441 is a deficient number, since it is larger than the sum of its proper divisors (20784119).

243130441 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (243130440) it forms an eRAP, since the sums of their prime factors are consecutive (1463 and 1464).

243130441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 243130441 is about 15592.6406038233. The cubic root of 243130441 is about 624.1367846437.

Adding to 243130441 its reverse (144031342), we get a palindrome (387161783).

Subtracting from 243130441 its reverse (144031342), we obtain a palindrome (99099099).

The spelling of 243130441 in words is "two hundred forty-three million, one hundred thirty thousand, four hundred forty-one".