30102130 has 8 divisors (see below), whose sum is σ = 54183852. Its totient is φ = 12040848.

The previous prime is 30102091. The next prime is 30102131. The reversal of 30102130 is 3120103.

It can be written as a sum of positive squares in 2 ways, for example, as 28227969 + 1874161 = 5313^2 + 1369^2 .

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

It is a super-2 number, since 2×30102130² = 1812276461073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 3010213 = 30102130 / (3 + 0 + 1 + 0 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (30102131) 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 3 ways as a sum of consecutive naturals, for example, 1505097 + ... + 1505116.

Almost surely, 2^30102130 is an apocalyptic number.

30102130 is a deficient number, since it is larger than the sum of its proper divisors (24081722).

30102130 is a wasteful number, since it uses less digits than its factorization.

30102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010220.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30102130 is about 5486.5408045507. The cubic root of 30102130 is about 311.0754530655.

Adding to 30102130 its reverse (3120103), we get a palindrome (33222233).

The spelling of 30102130 in words is "thirty million, one hundred two thousand, one hundred thirty".