30503028005 has 16 divisors (see below), whose sum is σ = 38767837680. Its totient is φ = 22960438272.

The previous prime is 30503027999. The next prime is 30503028047. The reversal of 30503028005 is 50082030503.

It can be written as a sum of positive squares in 8 ways, for example, as 8390743201 + 22112284804 = 91601^2 + 148702^2 .

It is not a de Polignac number, because 30503028005 - 2⁸ = 30503027749 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 259811 + ... + 358479.

It is an arithmetic number, because the mean of its divisors is an integer number (2422989855).

Almost surely, 2^30503028005 is an apocalyptic number.

It is an amenable number.

30503028005 is a deficient number, since it is larger than the sum of its proper divisors (8264809675).

30503028005 is a wasteful number, since it uses less digits than its factorization.

30503028005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102328.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 30503028005 its reverse (50082030503), we get a palindrome (80585058508).

The spelling of 30503028005 in words is "thirty billion, five hundred three million, twenty-eight thousand, five".