243312163108 has 24 divisors (see below), whose sum is σ = 490456020992. Its totient is φ = 103455563904.

The previous prime is 243312163049. The next prime is 243312163109. The reversal of 243312163108 is 801361213342.

It is not an unprimeable number, because it can be changed into a prime (243312163109) by changing a digit.

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, 34207941 + ... + 34215052.

Almost surely, 2^243312163108 is an apocalyptic number.

243312163108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243312163108 is an abundant number, since it is smaller than the sum of its proper divisors (247143857884).

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

243312163108 is a wasteful number, since it uses less digits than its factorization.

243312163108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68423131 (or 68423129 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 243312163108 in words is "two hundred forty-three billion, three hundred twelve million, one hundred sixty-three thousand, one hundred eight".