243224342431 has 8 divisors (see below), whose sum is σ = 278685257760. Its totient is φ = 207942072288.

The previous prime is 243224342419. The next prime is 243224342441. The reversal of 243224342431 is 134243422342.

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

It is a cyclic number.

It is not a de Polignac number, because 243224342431 - 2¹⁹ = 243223818143 is a prime.

It is a super-2 number, since 2×243224342431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243224342441) 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, 44658376 + ... + 44663821.

It is an arithmetic number, because the mean of its divisors is an integer number (34835657220).

Almost surely, 2^243224342431 is an apocalyptic number.

243224342431 is a deficient number, since it is larger than the sum of its proper divisors (35460915329).

243224342431 is an equidigital number, since it uses as much as digits as its factorization.

243224342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89322593.

The product of its digits is 110592, while the sum is 34.

Adding to 243224342431 its reverse (134243422342), we get a palindrome (377467764773).

The spelling of 243224342431 in words is "two hundred forty-three billion, two hundred twenty-four million, three hundred forty-two thousand, four hundred thirty-one".