30434124205 has 4 divisors (see below), whose sum is σ = 36520949052. Its totient is φ = 24347299360.

The previous prime is 30434124191. The next prime is 30434124257. The reversal of 30434124205 is 50242143403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50242143403 = 19 ⋅2644323337.

It can be written as a sum of positive squares in 2 ways, for example, as 22408293636 + 8025830569 = 149694^2 + 89587^2 .

It is not a de Polignac number, because 30434124205 - 2⁵ = 30434124173 is a prime.

It is a super-2 number, since 2×30434124205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3043412416 + ... + 3043412425.

It is an arithmetic number, because the mean of its divisors is an integer number (9130237263).

Almost surely, 2^30434124205 is an apocalyptic number.

It is an amenable number.

30434124205 is a deficient number, since it is larger than the sum of its proper divisors (6086824847).

30434124205 is an equidigital number, since it uses as much as digits as its factorization.

30434124205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086824846.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 30434124205 its reverse (50242143403), we get a palindrome (80676267608).

The spelling of 30434124205 in words is "thirty billion, four hundred thirty-four million, one hundred twenty-four thousand, two hundred five".