30110172 has 12 divisors (see below), whose sum is σ = 70257096. Its totient is φ = 10036720.

The previous prime is 30110161. The next prime is 30110173. The reversal of 30110172 is 27101103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30110173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254579 + ... + 1254602.

It is an arithmetic number, because the mean of its divisors is an integer number (5854758).

Almost surely, 2^30110172 is an apocalyptic number.

It is an amenable number.

30110172 is an abundant number, since it is smaller than the sum of its proper divisors (40146924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30110172 is a wasteful number, since it uses less digits than its factorization.

30110172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509188 (or 2509186 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 30110172 is about 5487.2736399782. The cubic root of 30110172 is about 311.1031526120.

Adding to 30110172 its reverse (27101103), we get a palindrome (57211275).

The spelling of 30110172 in words is "thirty million, one hundred ten thousand, one hundred seventy-two".