243044304513 has 8 divisors (see below), whose sum is σ = 325114640928. Its totient is φ = 161501752224.

The previous prime is 243044304497. The next prime is 243044304541. The reversal of 243044304513 is 315403440342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243044304513 - 2⁴ = 243044304497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243044304563) 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, 131944956 + ... + 131946797.

It is an arithmetic number, because the mean of its divisors is an integer number (40639330116).

Almost surely, 2^243044304513 is an apocalyptic number.

It is an amenable number.

243044304513 is a deficient number, since it is larger than the sum of its proper divisors (82070336415).

243044304513 is a wasteful number, since it uses less digits than its factorization.

243044304513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263892063.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 243044304513 its reverse (315403440342), we get a palindrome (558447744855).

The spelling of 243044304513 in words is "two hundred forty-three billion, forty-four million, three hundred four thousand, five hundred thirteen".