30130979 has 8 divisors (see below), whose sum is σ = 32010000. Its totient is φ = 28281312.

The previous prime is 30130973. The next prime is 30130981. The reversal of 30130979 is 97903103.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30130979 - 2⁴ = 30130963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30130973) 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 7 ways as a sum of consecutive naturals, for example, 5204 + ... + 9345.

It is an arithmetic number, because the mean of its divisors is an integer number (4001250).

Almost surely, 2^30130979 is an apocalyptic number.

30130979 is a deficient number, since it is larger than the sum of its proper divisors (1879021).

30130979 is a wasteful number, since it uses less digits than its factorization.

30130979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14677.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 30130979 is about 5489.1692449769. The cubic root of 30130979 is about 311.1747965383.

The spelling of 30130979 in words is "thirty million, one hundred thirty thousand, nine hundred seventy-nine".