30104219 has 4 divisors (see below), whose sum is σ = 30614520. Its totient is φ = 29593920.

The previous prime is 30104197. The next prime is 30104231. The reversal of 30104219 is 91240103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91240103 = 23 ⋅3966961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30104219 is a prime.

It is a super-2 number, since 2×30104219² = 1812528003199922, 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 30104219.

It is not an unprimeable number, because it can be changed into a prime (30104519) 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, 255062 + ... + 255179.

It is an arithmetic number, because the mean of its divisors is an integer number (7653630).

Almost surely, 2^30104219 is an apocalyptic number.

30104219 is a deficient number, since it is larger than the sum of its proper divisors (510301).

30104219 is an equidigital number, since it uses as much as digits as its factorization.

30104219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510300.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30104219 is about 5486.7311762105. The cubic root of 30104219 is about 311.0826488087.

The spelling of 30104219 in words is "thirty million, one hundred four thousand, two hundred nineteen".