30130689 has 8 divisors (see below), whose sum is σ = 40209952. Its totient is φ = 20069280.

The previous prime is 30130687. The next prime is 30130703. The reversal of 30130689 is 98603103.

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

It is not a de Polignac number, because 30130689 - 2¹ = 30130687 is a prime.

It is a super-2 number, since 2×30130689² = 1815716839229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30130687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 7764.

It is an arithmetic number, because the mean of its divisors is an integer number (5026244).

Almost surely, 2^30130689 is an apocalyptic number.

It is an amenable number.

30130689 is a deficient number, since it is larger than the sum of its proper divisors (10079263).

30130689 is a wasteful number, since it uses less digits than its factorization.

30130689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 30130689 is about 5489.1428292585. The cubic root of 30130689 is about 311.1737982193.

The spelling of 30130689 in words is "thirty million, one hundred thirty thousand, six hundred eighty-nine".