100543113 has 20 divisors (see below), whose sum is σ = 163849488. Its totient is φ = 60934680.

The previous prime is 100543109. The next prime is 100543123. The reversal of 100543113 is 311345001.

100543113 is a `hidden beast` number, since 10 + 0 + 543 + 113 = 666.

It is not a de Polignac number, because 100543113 - 2² = 100543109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100543103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55531 + ... + 57312.

Almost surely, 2^100543113 is an apocalyptic number.

It is an amenable number.

100543113 is a deficient number, since it is larger than the sum of its proper divisors (63306375).

100543113 is a wasteful number, since it uses less digits than its factorization.

100543113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112866 (or 112857 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 100543113 is about 10027.1188783219. The cubic root of 100543113 is about 464.9976690830.

Adding to 100543113 its reverse (311345001), we get a palindrome (411888114).

The spelling of 100543113 in words is "one hundred million, five hundred forty-three thousand, one hundred thirteen".