243431344211 has 6 divisors (see below), whose sum is σ = 267573295836. Its totient is φ = 221301221900.

The previous prime is 243431344181. The next prime is 243431344213. The reversal of 243431344211 is 112443134342.

It is not a de Polignac number, because 243431344211 - 2¹⁰ = 243431343187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243431344213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1005914525 + ... + 1005914766.

It is an arithmetic number, because the mean of its divisors is an integer number (44595549306).

Almost surely, 2^243431344211 is an apocalyptic number.

243431344211 is a deficient number, since it is larger than the sum of its proper divisors (24141951625).

243431344211 is a wasteful number, since it uses less digits than its factorization.

243431344211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011829313 (or 2011829302 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 243431344211 its reverse (112443134342), we get a palindrome (355874478553).

The spelling of 243431344211 in words is "two hundred forty-three billion, four hundred thirty-one million, three hundred forty-four thousand, two hundred eleven".