243120104319 has 32 divisors (see below), whose sum is σ = 350737136640. Its totient is φ = 149212541952.

The previous prime is 243120104299. The next prime is 243120104327. The reversal of 243120104319 is 913401021342.

It is not a de Polignac number, because 243120104319 - 2¹⁷ = 243119973247 is a prime.

It is a super-2 number, since 2×243120104319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120104369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4173012 + ... + 4230870.

It is an arithmetic number, because the mean of its divisors is an integer number (10960535520).

Almost surely, 2^243120104319 is an apocalyptic number.

243120104319 is a deficient number, since it is larger than the sum of its proper divisors (107617032321).

243120104319 is a wasteful number, since it uses less digits than its factorization.

243120104319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59679.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 243120104319 in words is "two hundred forty-three billion, one hundred twenty million, one hundred four thousand, three hundred nineteen".