30442130 has 8 divisors (see below), whose sum is σ = 54795852. Its totient is φ = 12176848.

The previous prime is 30442129. The next prime is 30442177. The reversal of 30442130 is 3124403.

It can be written as a sum of positive squares in 2 ways, for example, as 27762361 + 2679769 = 5269^2 + 1637^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30442099 and 30442108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522097 + ... + 1522116.

Almost surely, 2^30442130 is an apocalyptic number.

30442130 is a deficient number, since it is larger than the sum of its proper divisors (24353722).

30442130 is a wasteful number, since it uses less digits than its factorization.

30442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044220.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30442130 is about 5517.4387173760. The cubic root of 30442130 is about 312.2422578792.

Adding to 30442130 its reverse (3124403), we get a palindrome (33566533).

The spelling of 30442130 in words is "thirty million, four hundred forty-two thousand, one hundred thirty".