100513103 has 4 divisors (see below), whose sum is σ = 100956120. Its totient is φ = 100070088.

The previous prime is 100513073. The next prime is 100513111. The reversal of 100513103 is 301315001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100513103 - 2⁸ = 100512847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100513003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221168 + ... + 221621.

It is an arithmetic number, because the mean of its divisors is an integer number (25239030).

Almost surely, 2^100513103 is an apocalyptic number.

100513103 is a deficient number, since it is larger than the sum of its proper divisors (443017).

100513103 is an equidigital number, since it uses as much as digits as its factorization.

100513103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443016.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 100513103 is about 10025.6223248235. The cubic root of 100513103 is about 464.9514004783.

Adding to 100513103 its reverse (301315001), we get a palindrome (401828104).

The spelling of 100513103 in words is "one hundred million, five hundred thirteen thousand, one hundred three".