243031231042 has 16 divisors (see below), whose sum is σ = 373040236800. Its totient is φ = 118684721232.

The previous prime is 243031231031. The next prime is 243031231057. The reversal of 243031231042 is 240132130342.

It is a junction number, because it is equal to n+sod(n) for n = 243031230998 and 243031231016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2839084 + ... + 2923432.

It is an arithmetic number, because the mean of its divisors is an integer number (23315014800).

Almost surely, 2^243031231042 is an apocalyptic number.

243031231042 is a deficient number, since it is larger than the sum of its proper divisors (130009005758).

243031231042 is a wasteful number, since it uses less digits than its factorization.

243031231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117897.

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

Adding to 243031231042 its reverse (240132130342), we get a palindrome (483163361384).

The spelling of 243031231042 in words is "two hundred forty-three billion, thirty-one million, two hundred thirty-one thousand, forty-two".