243134312522 has 16 divisors (see below), whose sum is σ = 370763701152. Its totient is φ = 119547310320.

The previous prime is 243134312483. The next prime is 243134312537. The reversal of 243134312522 is 225213431342.

243134312522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243134312522² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324653 + ... + 769199.

It is an arithmetic number, because the mean of its divisors is an integer number (23172731322).

Almost surely, 2^243134312522 is an apocalyptic number.

243134312522 is a deficient number, since it is larger than the sum of its proper divisors (127629388630).

243134312522 is a wasteful number, since it uses less digits than its factorization.

243134312522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449093.

The product of its digits is 34560, while the sum is 32.

Adding to 243134312522 its reverse (225213431342), we get a palindrome (468347743864).

The spelling of 243134312522 in words is "two hundred forty-three billion, one hundred thirty-four million, three hundred twelve thousand, five hundred twenty-two".