243113299 has 16 divisors (see below), whose sum is σ = 286272000. Its totient is φ = 203542560.

The previous prime is 243113291. The next prime is 243113327. The reversal of 243113299 is 992311342.

It is not a de Polignac number, because 243113299 - 2³ = 243113291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243113291) 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, 69654 + ... + 73060.

It is an arithmetic number, because the mean of its divisors is an integer number (17892000).

Almost surely, 2^243113299 is an apocalyptic number.

243113299 is a deficient number, since it is larger than the sum of its proper divisors (43158701).

243113299 is a wasteful number, since it uses less digits than its factorization.

243113299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its digits is 11664, while the sum is 34.

The square root of 243113299 is about 15592.0909117411. The cubic root of 243113299 is about 624.1221159687.

The spelling of 243113299 in words is "two hundred forty-three million, one hundred thirteen thousand, two hundred ninety-nine".