100303173 has 6 divisors (see below), whose sum is σ = 144882374. Its totient is φ = 66868776.

The previous prime is 100303169. The next prime is 100303183. The reversal of 100303173 is 371303001.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 263169 = 10002^2 + 513^2 .

It is not a de Polignac number, because 100303173 - 2² = 100303169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303183) 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 5 ways as a sum of consecutive naturals, for example, 5572390 + ... + 5572407.

Almost surely, 2^100303173 is an apocalyptic number.

It is an amenable number.

100303173 is a deficient number, since it is larger than the sum of its proper divisors (44579201).

100303173 is a wasteful number, since it uses less digits than its factorization.

100303173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144803 (or 11144800 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 100303173 is about 10015.1471781497. The cubic root of 100303173 is about 464.6274782659.

Adding to 100303173 its reverse (371303001), we get a palindrome (471606174).

It can be divided in two parts, 10030 and 3173, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 100303173 in words is "one hundred million, three hundred three thousand, one hundred seventy-three".