243250341111242 has 16 divisors (see below), whose sum is σ = 365504533580232. Its totient is φ = 121415558676480.

The previous prime is 243250341111241. The next prime is 243250341111251. The reversal of 243250341111242 is 242111143052342.

It can be written as a sum of positive squares in 4 ways, for example, as 241354214865241 + 1896126246001 = 15535579^2 + 1376999^2 .

It is not an unprimeable number, because it can be changed into a prime (243250341111241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7682753 + ... + 23356484.

Almost surely, 2^{243250341111242} is an apocalyptic number.

243250341111242 is a deficient number, since it is larger than the sum of its proper divisors (122254192468990).

243250341111242 is a wasteful number, since it uses less digits than its factorization.

243250341111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045993.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 243250341111242 its reverse (242111143052342), we get a palindrome (485361484163584).

The spelling of 243250341111242 in words is "two hundred forty-three trillion, two hundred fifty billion, three hundred forty-one million, one hundred eleven thousand, two hundred forty-two".