243031343312143 has 8 divisors (see below), whose sum is σ = 243095956745840. Its totient is φ = 242966733105600.

The previous prime is 243031343312111. The next prime is 243031343312159. The reversal of 243031343312143 is 341213343130342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243031343312143 - 2⁵ = 243031343312111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243031343312543) 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, 153755893 + ... + 155328481.

It is an arithmetic number, because the mean of its divisors is an integer number (30386994593230).

Almost surely, 2^{243031343312143} is an apocalyptic number.

243031343312143 is a deficient number, since it is larger than the sum of its proper divisors (64613433697).

243031343312143 is a wasteful number, since it uses less digits than its factorization.

243031343312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613577.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 243031343312143 its reverse (341213343130342), we get a palindrome (584244686442485).

The spelling of 243031343312143 in words is "two hundred forty-three trillion, thirty-one billion, three hundred forty-three million, three hundred twelve thousand, one hundred forty-three".