243130324 has 12 divisors (see below), whose sum is σ = 428829184. Its totient is φ = 120607704.

The previous prime is 243130319. The next prime is 243130373. The reversal of 243130324 is 423031342.

It is a happy number.

It is a super-2 number, since 2×243130324² = 118224708896689952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243130295 and 243130304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238794 + ... + 239809.

Almost surely, 2^243130324 is an apocalyptic number.

It is an amenable number.

243130324 is a deficient number, since it is larger than the sum of its proper divisors (185698860).

243130324 is a wasteful number, since it uses less digits than its factorization.

243130324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478734 (or 478732 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243130324 is about 15592.6368520530. The cubic root of 243130324 is about 624.1366845273.

Adding to 243130324 its reverse (423031342), we get a palindrome (666161666).

The spelling of 243130324 in words is "two hundred forty-three million, one hundred thirty thousand, three hundred twenty-four".