243120104291 has 32 divisors (see below), whose sum is σ = 261704908800. Its totient is φ = 225332220960.

The previous prime is 243120104261. The next prime is 243120104299. The reversal of 243120104291 is 192401021342.

243120104291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243120104291 - 2³⁴ = 225940235107 is a prime.

It is a super-2 number, since 2×243120104291² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243120104299) 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 31 ways as a sum of consecutive naturals, for example, 52405550 + ... + 52410188.

It is an arithmetic number, because the mean of its divisors is an integer number (8178278400).

Almost surely, 2^243120104291 is an apocalyptic number.

243120104291 is a deficient number, since it is larger than the sum of its proper divisors (18584804509).

243120104291 is a wasteful number, since it uses less digits than its factorization.

243120104291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 243120104291 in words is "two hundred forty-three billion, one hundred twenty million, one hundred four thousand, two hundred ninety-one".