30142130320 has 40 divisors (see below), whose sum is σ = 71402735736. Its totient is φ = 11829362688.

The previous prime is 30142130311. The next prime is 30142130383. The reversal of 30142130320 is 2303124103.

It can be written as a sum of positive squares in 4 ways, for example, as 14887904256 + 15254226064 = 122016^2 + 123508^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 3550257 + ... + 3558736.

Almost surely, 2^30142130320 is an apocalyptic number.

It is an amenable number.

30142130320 is an abundant number, since it is smaller than the sum of its proper divisors (41260605416).

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

30142130320 is a wasteful number, since it uses less digits than its factorization.

30142130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109059 (or 7109053 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30142130320 its reverse (2303124103), we get a palindrome (32445254423).

The spelling of 30142130320 in words is "thirty billion, one hundred forty-two million, one hundred thirty thousand, three hundred twenty".