243431140211 has 8 divisors (see below), whose sum is σ = 282922391040. Its totient is φ = 205118732808.

The previous prime is 243431140181. The next prime is 243431140219. The reversal of 243431140211 is 112041134342.

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-243431140211 is a prime.

It is a super-2 number, since 2×243431140211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243431140219) 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, 294710411 + ... + 294711236.

It is an arithmetic number, because the mean of its divisors is an integer number (35365298880).

Almost surely, 2^243431140211 is an apocalyptic number.

243431140211 is a deficient number, since it is larger than the sum of its proper divisors (39491250829).

243431140211 is an equidigital number, since it uses as much as digits as its factorization.

243431140211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589421713.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 243431140211 its reverse (112041134342), we get a palindrome (355472274553).

The spelling of 243431140211 in words is "two hundred forty-three billion, four hundred thirty-one million, one hundred forty thousand, two hundred eleven".