243311200242 has 32 divisors (see below), whose sum is σ = 533611402560. Its totient is φ = 73348638720.

The previous prime is 243311200241. The next prime is 243311200243. The reversal of 243311200242 is 242002113342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243311200241) and next prime (243311200243).

It is not an unprimeable number, because it can be changed into a prime (243311200241) 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, 9537867 + ... + 9563342.

It is an arithmetic number, because the mean of its divisors is an integer number (16675356330).

Almost surely, 2^243311200242 is an apocalyptic number.

243311200242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243311200242 is an abundant number, since it is smaller than the sum of its proper divisors (290300202318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243311200242 is a wasteful number, since it uses less digits than its factorization.

243311200242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101418.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243311200242 its reverse (242002113342), we get a palindrome (485313313584).

The spelling of 243311200242 in words is "two hundred forty-three billion, three hundred eleven million, two hundred thousand, two hundred forty-two".