243000134301 has 4 divisors (see below), whose sum is σ = 324000179072. Its totient is φ = 162000089532.

The previous prime is 243000134287. The next prime is 243000134317. The reversal of 243000134301 is 103431000342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 243000134301 - 2²⁶ = 242933025437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000134381) 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 3 ways as a sum of consecutive naturals, for example, 40500022381 + ... + 40500022386.

It is an arithmetic number, because the mean of its divisors is an integer number (81000044768).

Almost surely, 2^243000134301 is an apocalyptic number.

It is an amenable number.

243000134301 is a deficient number, since it is larger than the sum of its proper divisors (81000044771).

243000134301 is an equidigital number, since it uses as much as digits as its factorization.

243000134301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81000044770.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 243000134301 its reverse (103431000342), we get a palindrome (346431134643).

The spelling of 243000134301 in words is "two hundred forty-three billion, one hundred thirty-four thousand, three hundred one".