30120100434 has 12 divisors (see below), whose sum is σ = 65260217646. Its totient is φ = 10040033472.

The previous prime is 30120100427. The next prime is 30120100487. The reversal of 30120100434 is 43400102103.

30120100434 is a `hidden beast` number, since 30 + 1 + 201 + 0 + 0 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26194451409 + 3925649025 = 161847^2 + 62655^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1673338913 = 30120100434 / (3 + 0 + 1 + 2 + 0 + 1 + 0 + 0 + 4 + 3 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836669439 + ... + 836669474.

Almost surely, 2^30120100434 is an apocalyptic number.

30120100434 is an abundant number, since it is smaller than the sum of its proper divisors (35140117212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30120100434 is a wasteful number, since it uses less digits than its factorization.

30120100434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673338921 (or 1673338918 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30120100434 its reverse (43400102103), we get a palindrome (73520202537).

The spelling of 30120100434 in words is "thirty billion, one hundred twenty million, one hundred thousand, four hundred thirty-four".