243103113 has 40 divisors (see below), whose sum is σ = 398208096. Its totient is φ = 146577600.

The previous prime is 243103057. The next prime is 243103139. The reversal of 243103113 is 311301342.

It is not a de Polignac number, because 243103113 - 2²⁰ = 242054537 is a prime.

It is a super-4 number, since 4×243103113⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (243103183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 207018 + ... + 208188.

Almost surely, 2^243103113 is an apocalyptic number.

It is an amenable number.

243103113 is a deficient number, since it is larger than the sum of its proper divisors (155104983).

243103113 is a wasteful number, since it uses less digits than its factorization.

243103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 243103113 is about 15591.7642683565. The cubic root of 243103113 is about 624.1133993242.

Adding to 243103113 its reverse (311301342), we get a palindrome (554404455).

The spelling of 243103113 in words is "two hundred forty-three million, one hundred three thousand, one hundred thirteen".