30130933 has 6 divisors (see below), whose sum is σ = 35050326. Its totient is φ = 25826472.

The previous prime is 30130931. The next prime is 30130939. The reversal of 30130933 is 33903103.

It can be written as a sum of positive squares in only one way, i.e., 18173169 + 11957764 = 4263^2 + 3458^2 .

It is not a de Polignac number, because 30130933 - 2¹ = 30130931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307410 + ... + 307507.

It is an arithmetic number, because the mean of its divisors is an integer number (5841721).

Almost surely, 2^30130933 is an apocalyptic number.

It is an amenable number.

30130933 is a deficient number, since it is larger than the sum of its proper divisors (4919393).

30130933 is an equidigital number, since it uses as much as digits as its factorization.

30130933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614931 (or 614924 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 22.

The square root of 30130933 is about 5489.1650549059. The cubic root of 30130933 is about 311.1746381847.

The spelling of 30130933 in words is "thirty million, one hundred thirty thousand, nine hundred thirty-three".