30130989 has 16 divisors (see below), whose sum is σ = 47910912. Its totient is φ = 16468848.

The previous prime is 30130981. The next prime is 30130999. The reversal of 30130989 is 98903103.

It is not a de Polignac number, because 30130989 - 2³ = 30130981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30709 + ... + 31674.

It is an arithmetic number, because the mean of its divisors is an integer number (2994432).

Almost surely, 2^30130989 is an apocalyptic number.

It is an amenable number.

30130989 is a deficient number, since it is larger than the sum of its proper divisors (17779923).

30130989 is a wasteful number, since it uses less digits than its factorization.

30130989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62416.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 30130989 is about 5489.1701558614. The cubic root of 30130989 is about 311.1748309630.

The spelling of 30130989 in words is "thirty million, one hundred thirty thousand, nine hundred eighty-nine".