243310121041 has 8 divisors (see below), whose sum is σ = 262035893504. Its totient is φ = 224585721360.

The previous prime is 243310121039. The next prime is 243310121051. The reversal of 243310121041 is 140121013342.

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

It is not a de Polignac number, because 243310121041 - 2¹ = 243310121039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243310121051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40846 + ... + 698776.

It is an arithmetic number, because the mean of its divisors is an integer number (32754486688).

Almost surely, 2^243310121041 is an apocalyptic number.

It is an amenable number.

243310121041 is a deficient number, since it is larger than the sum of its proper divisors (18725772463).

243310121041 is a wasteful number, since it uses less digits than its factorization.

243310121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686391.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 243310121041 its reverse (140121013342), we get a palindrome (383431134383).

The spelling of 243310121041 in words is "two hundred forty-three billion, three hundred ten million, one hundred twenty-one thousand, forty-one".