100043013 has 16 divisors (see below), whose sum is σ = 152768000. Its totient is φ = 57046896.

The previous prime is 100043003. The next prime is 100043029. The reversal of 100043013 is 310340001.

It is not a de Polignac number, because 100043013 - 2⁸ = 100042757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100043013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100043003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5706 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (9548000).

Almost surely, 2^100043013 is an apocalyptic number.

It is an amenable number.

100043013 is a deficient number, since it is larger than the sum of its proper divisors (52724987).

100043013 is an equidigital number, since it uses as much as digits as its factorization.

100043013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100043013 is about 10002.1504187850. The cubic root of 100043013 is about 464.2254233754.

Adding to 100043013 its reverse (310340001), we get a palindrome (410383014).

The spelling of 100043013 in words is "one hundred million, forty-three thousand, thirteen".