30430253219 has 4 divisors (see below), whose sum is σ = 30448619544. Its totient is φ = 30411886896.

The previous prime is 30430253171. The next prime is 30430253221. The reversal of 30430253219 is 91235203403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91235203403 = 8387 ⋅10878169.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30430253219 is a prime.

It is a super-2 number, since 2×30430253219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30430253239) 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, 9180677 + ... + 9183990.

It is an arithmetic number, because the mean of its divisors is an integer number (7612154886).

Almost surely, 2^30430253219 is an apocalyptic number.

30430253219 is a deficient number, since it is larger than the sum of its proper divisors (18366325).

30430253219 is a wasteful number, since it uses less digits than its factorization.

30430253219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366324.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 30430253219 in words is "thirty billion, four hundred thirty million, two hundred fifty-three thousand, two hundred nineteen".