243130514 has 32 divisors (see below), whose sum is σ = 409945536. Its totient is φ = 107190720.

The previous prime is 243130513. The next prime is 243130523. The reversal of 243130514 is 415031342.

It is a super-2 number, since 2×243130514² = 118224893675808392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130514.

It is not an unprimeable number, because it can be changed into a prime (243130513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147704 + ... + 149340.

It is an arithmetic number, because the mean of its divisors is an integer number (12810798).

Almost surely, 2^243130514 is an apocalyptic number.

243130514 is a deficient number, since it is larger than the sum of its proper divisors (166815022).

243130514 is a wasteful number, since it uses less digits than its factorization.

243130514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 243130514 is about 15592.6429446711. The cubic root of 243130514 is about 624.1368471094.

Adding to 243130514 its reverse (415031342), we get a palindrome (658161856).

The spelling of 243130514 in words is "two hundred forty-three million, one hundred thirty thousand, five hundred fourteen".