243311054332401 has 24 divisors (see below), whose sum is σ = 383991817195584. Its totient is φ = 147233329640160.

The previous prime is 243311054332361. The next prime is 243311054332403. The reversal of 243311054332401 is 104233450113342.

243311054332401 is a `hidden beast` number, since 2 + 4 + 3 + 31 + 10 + 543 + 32 + 40 + 1 = 666.

It is not a de Polignac number, because 243311054332401 - 2⁶ = 243311054332337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243311054332403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899230706 + ... + 1899358811.

It is an arithmetic number, because the mean of its divisors is an integer number (15999659049816).

Almost surely, 2^{243311054332401} is an apocalyptic number.

It is an amenable number.

243311054332401 is a deficient number, since it is larger than the sum of its proper divisors (140680762863183).

243311054332401 is a wasteful number, since it uses less digits than its factorization.

243311054332401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798590181 (or 3798590178 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 243311054332401 in words is "two hundred forty-three trillion, three hundred eleven billion, fifty-four million, three hundred thirty-two thousand, four hundred one".