243040431111 has 8 divisors (see below), whose sum is σ = 324067911024. Its totient is φ = 162019952640.

The previous prime is 243040431091. The next prime is 243040431121. The reversal of 243040431111 is 111134040342.

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

It is not a de Polignac number, because 243040431111 - 2⁹ = 243040430599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243040431121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668820 + ... + 1808601.

It is an arithmetic number, because the mean of its divisors is an integer number (40508488878).

Almost surely, 2^243040431111 is an apocalyptic number.

243040431111 is a deficient number, since it is larger than the sum of its proper divisors (81027479913).

243040431111 is a wasteful number, since it uses less digits than its factorization.

243040431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500721.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 243040431111 its reverse (111134040342), we get a palindrome (354174471453).

The spelling of 243040431111 in words is "two hundred forty-three billion, forty million, four hundred thirty-one thousand, one hundred eleven".