243004431103 has 16 divisors (see below), whose sum is σ = 281794222080. Its totient is φ = 205243848576.

The previous prime is 243004431101. The next prime is 243004431113. The reversal of 243004431103 is 301134400342.

It is a cyclic number.

It is not a de Polignac number, because 243004431103 - 2¹ = 243004431101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243004431101) 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, 158650 + ... + 714967.

It is an arithmetic number, because the mean of its divisors is an integer number (17612138880).

Almost surely, 2^243004431103 is an apocalyptic number.

243004431103 is a deficient number, since it is larger than the sum of its proper divisors (38789790977).

243004431103 is an equidigital number, since it uses as much as digits as its factorization.

243004431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874206.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243004431103 its reverse (301134400342), we get a palindrome (544138831445).

The spelling of 243004431103 in words is "two hundred forty-three billion, four million, four hundred thirty-one thousand, one hundred three".