243113315226 has 8 divisors (see below), whose sum is σ = 486226630464. Its totient is φ = 81037771740.

The previous prime is 243113315201. The next prime is 243113315231. The reversal of 243113315226 is 622513311342.

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

243113315226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20259442930 + ... + 20259442941.

It is an arithmetic number, because the mean of its divisors is an integer number (60778328808).

Almost surely, 2^243113315226 is an apocalyptic number.

243113315226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243113315226 is a wasteful number, since it uses less digits than its factorization.

243113315226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40518885876.

The product of its digits is 25920, while the sum is 33.

Adding to 243113315226 its reverse (622513311342), we get a palindrome (865626626568).

The spelling of 243113315226 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred fifteen thousand, two hundred twenty-six".