243312053522 has 16 divisors (see below), whose sum is σ = 369568461600. Its totient is φ = 120126267360.

The previous prime is 243312053497. The next prime is 243312053531. The reversal of 243312053522 is 225350213342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793304 + ... + 1056387.

It is an arithmetic number, because the mean of its divisors is an integer number (23098028850).

Almost surely, 2^243312053522 is an apocalyptic number.

243312053522 is a deficient number, since it is larger than the sum of its proper divisors (126256408078).

243312053522 is a wasteful number, since it uses less digits than its factorization.

243312053522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850521.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 243312053522 its reverse (225350213342), we get a palindrome (468662266864).

The spelling of 243312053522 in words is "two hundred forty-three billion, three hundred twelve million, fifty-three thousand, five hundred twenty-two".