243012431204 has 48 divisors (see below), whose sum is σ = 447784243200. Its totient is φ = 115248782880.

The previous prime is 243012431201. The next prime is 243012431209. The reversal of 243012431204 is 402134210342.

243012431204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243012431201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579799 + ... + 1726785.

It is an arithmetic number, because the mean of its divisors is an integer number (9328838400).

Almost surely, 2^243012431204 is an apocalyptic number.

It is an amenable number.

243012431204 is a deficient number, since it is larger than the sum of its proper divisors (204771811996).

243012431204 is a wasteful number, since it uses less digits than its factorization.

243012431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147288 (or 147286 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243012431204 its reverse (402134210342), we get a palindrome (645146641546).

The spelling of 243012431204 in words is "two hundred forty-three billion, twelve million, four hundred thirty-one thousand, two hundred four".