30113219 has 4 divisors (see below), whose sum is σ = 30125400. Its totient is φ = 30101040.

The previous prime is 30113207. The next prime is 30113221. The reversal of 30113219 is 91231103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30113219 - 2⁸ = 30112963 is a prime.

It is a super-2 number, since 2×30113219² = 1813611917083922, 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 30113219.

It is not an unprimeable number, because it can be changed into a prime (30113519) 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, 917 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (7531350).

Almost surely, 2^30113219 is an apocalyptic number.

30113219 is a deficient number, since it is larger than the sum of its proper divisors (12181).

30113219 is an equidigital number, since it uses as much as digits as its factorization.

30113219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 30113219 is about 5487.5512753869. The cubic root of 30113219 is about 311.1136462898.

The spelling of 30113219 in words is "thirty million, one hundred thirteen thousand, two hundred nineteen".