30100173 has 8 divisors (see below), whose sum is σ = 41517600. Its totient is φ = 19374768.

The previous prime is 30100159. The next prime is 30100181. The reversal of 30100173 is 37100103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30100173 - 2⁴ = 30100157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172903 + ... + 173076.

It is an arithmetic number, because the mean of its divisors is an integer number (5189700).

Almost surely, 2^30100173 is an apocalyptic number.

It is an amenable number.

30100173 is a deficient number, since it is larger than the sum of its proper divisors (11417427).

30100173 is a wasteful number, since it uses less digits than its factorization.

30100173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346011.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 30100173 is about 5486.3624561270. The cubic root of 30100173 is about 311.0687117058.

Adding to 30100173 its reverse (37100103), we get a palindrome (67200276).

The spelling of 30100173 in words is "thirty million, one hundred thousand, one hundred seventy-three".