30380111 has 4 divisors (see below), whose sum is σ = 30454800. Its totient is φ = 30305424.

The previous prime is 30380099. The next prime is 30380113. The reversal of 30380111 is 11108303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30380111 - 2⁶ = 30380047 is a prime.

It is a super-2 number, since 2×30380111² = 1845902288744642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30380111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36731 + ... + 37548.

It is an arithmetic number, because the mean of its divisors is an integer number (7613700).

Almost surely, 2^30380111 is an apocalyptic number.

30380111 is a deficient number, since it is larger than the sum of its proper divisors (74689).

30380111 is an equidigital number, since it uses as much as digits as its factorization.

30380111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74688.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 30380111 is about 5511.8155810949. The cubic root of 30380111 is about 312.0300725725.

Adding to 30380111 its reverse (11108303), we get a palindrome (41488414).

The spelling of 30380111 in words is "thirty million, three hundred eighty thousand, one hundred eleven".