243431043222 has 16 divisors (see below), whose sum is σ = 487188200880. Its totient is φ = 81089328672.

The previous prime is 243431043221. The next prime is 243431043257. The reversal of 243431043222 is 222340134342.

It is a self number, because there is not a number n which added to its sum of digits gives 243431043222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243431043221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13578397 + ... + 13596312.

It is an arithmetic number, because the mean of its divisors is an integer number (30449262555).

Almost surely, 2^243431043222 is an apocalyptic number.

243431043222 is an abundant number, since it is smaller than the sum of its proper divisors (243757157658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243431043222 is a wasteful number, since it uses less digits than its factorization.

243431043222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176207.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243431043222 its reverse (222340134342), we get a palindrome (465771177564).

The spelling of 243431043222 in words is "two hundred forty-three billion, four hundred thirty-one million, forty-three thousand, two hundred twenty-two".