243041020319 has 8 divisors (see below), whose sum is σ = 257432453280. Its totient is φ = 228660132096.

The previous prime is 243041020301. The next prime is 243041020349. The reversal of 243041020319 is 913020140342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243041020319 is a prime.

It is a super-2 number, since 2×243041020319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243041020291 and 243041020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243041020349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588699 + ... + 2680940.

It is an arithmetic number, because the mean of its divisors is an integer number (32179056660).

Almost surely, 2^243041020319 is an apocalyptic number.

243041020319 is a deficient number, since it is larger than the sum of its proper divisors (14391432961).

243041020319 is a wasteful number, since it uses less digits than its factorization.

243041020319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272369.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 243041020319 in words is "two hundred forty-three billion, forty-one million, twenty thousand, three hundred nineteen".