30288130 has 8 divisors (see below), whose sum is σ = 54518652. Its totient is φ = 12115248.

The previous prime is 30288127. The next prime is 30288131. The reversal of 30288130 is 3188203.

It can be written as a sum of positive squares in 2 ways, for example, as 26450449 + 3837681 = 5143^2 + 1959^2 .

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 = 30288095 and 30288104.

It is not an unprimeable number, because it can be changed into a prime (30288131) 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, 1514397 + ... + 1514416.

Almost surely, 2^30288130 is an apocalyptic number.

30288130 is a deficient number, since it is larger than the sum of its proper divisors (24230522).

30288130 is a wasteful number, since it uses less digits than its factorization.

30288130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028820.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30288130 is about 5503.4652719900. The cubic root of 30288130 is about 311.7148460251.

The spelling of 30288130 in words is "thirty million, two hundred eighty-eight thousand, one hundred thirty".