243431220046 has 8 divisors (see below), whose sum is σ = 417310662960. Its totient is φ = 104327665728.

The previous prime is 243431219953. The next prime is 243431220049. The reversal of 243431220046 is 640022134342.

243431220046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243431220049) 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 3 ways as a sum of consecutive naturals, for example, 8693972131 + ... + 8693972158.

It is an arithmetic number, because the mean of its divisors is an integer number (52163832870).

Almost surely, 2^243431220046 is an apocalyptic number.

243431220046 is a deficient number, since it is larger than the sum of its proper divisors (173879442914).

243431220046 is a wasteful number, since it uses less digits than its factorization.

243431220046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387944298.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 243431220046 its reverse (640022134342), we get a palindrome (883453354388).

The spelling of 243431220046 in words is "two hundred forty-three billion, four hundred thirty-one million, two hundred twenty thousand, forty-six".