243113895971 has 8 divisors (see below), whose sum is σ = 264164505600. Its totient is φ = 222888800520.

The previous prime is 243113895923. The next prime is 243113896027. The reversal of 243113895971 is 179598311342.

243113895971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 243113895971 - 2⁶ = 243113895907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243113895571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206377931 + ... + 206379108.

It is an arithmetic number, because the mean of its divisors is an integer number (33020563200).

Almost surely, 2^243113895971 is an apocalyptic number.

243113895971 is a deficient number, since it is larger than the sum of its proper divisors (21050609629).

243113895971 is a wasteful number, since it uses less digits than its factorization.

243113895971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412757089.

The product of its digits is 1632960, while the sum is 53.

The spelling of 243113895971 in words is "two hundred forty-three billion, one hundred thirteen million, eight hundred ninety-five thousand, nine hundred seventy-one".