243131330424 has 16 divisors (see below), whose sum is σ = 607828326120. Its totient is φ = 81043776800.

The previous prime is 243131330423. The next prime is 243131330471. The reversal of 243131330424 is 424033131342.

It is a happy number.

243131330424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×243131330424³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 243131330391 and 243131330400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243131330423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065236027 + ... + 5065236074.

Almost surely, 2^243131330424 is an apocalyptic number.

243131330424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243131330424 is an abundant number, since it is smaller than the sum of its proper divisors (364696995696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243131330424 is a wasteful number, since it uses less digits than its factorization.

243131330424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130472110 (or 10130472106 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 243131330424 its reverse (424033131342), we get a palindrome (667164461766).

The spelling of 243131330424 in words is "two hundred forty-three billion, one hundred thirty-one million, three hundred thirty thousand, four hundred twenty-four".