30171130 has 16 divisors (see below), whose sum is σ = 59245344. Its totient is φ = 10971280.

The previous prime is 30171077. The next prime is 30171131. The reversal of 30171130 is 3117103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30171131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137032 + ... + 137251.

It is an arithmetic number, because the mean of its divisors is an integer number (3702834).

Almost surely, 2^30171130 is an apocalyptic number.

30171130 is a deficient number, since it is larger than the sum of its proper divisors (29074214).

30171130 is a wasteful number, since it uses less digits than its factorization.

30171130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274301.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 30171130 is about 5492.8253203611. The cubic root of 30171130 is about 311.3129537236.

Adding to 30171130 its reverse (3117103), we get a palindrome (33288233).

The spelling of 30171130 in words is "thirty million, one hundred seventy-one thousand, one hundred thirty".