30013091 has 8 divisors (see below), whose sum is σ = 31376160. Its totient is φ = 28654912.

The previous prime is 30013063. The next prime is 30013111. The reversal of 30013091 is 19031003.

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 30013091 - 2¹⁸ = 29750947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30013051) 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, 17801 + ... + 19413.

It is an arithmetic number, because the mean of its divisors is an integer number (3922020).

Almost surely, 2^30013091 is an apocalyptic number.

30013091 is a deficient number, since it is larger than the sum of its proper divisors (1363069).

30013091 is a wasteful number, since it uses less digits than its factorization.

30013091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 30013091 is about 5478.4204840446. The cubic root of 30013091 is about 310.7684404459.

Adding to 30013091 its reverse (19031003), we get a palindrome (49044094).

The spelling of 30013091 in words is "thirty million, thirteen thousand, ninety-one".