30505250328003 has 18 divisors (see below), whose sum is σ = 48433037483012. Its totient is φ = 18488030501160.

The previous prime is 30505250327989. The next prime is 30505250328013. The reversal of 30505250328003 is 30082305250503.

30505250328003 is a `hidden beast` number, since 3 + 0 + 50 + 525 + 0 + 3 + 2 + 80 + 0 + 3 = 666.

It is not a de Polignac number, because 30505250328003 - 2⁶ = 30505250327939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30505250328013) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14006082625 + ... + 14006084802.

Almost surely, 2^{30505250328003} is an apocalyptic number.

30505250328003 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30505250328003 is a deficient number, since it is larger than the sum of its proper divisors (17927787155009).

30505250328003 is a wasteful number, since it uses less digits than its factorization.

30505250328003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28012167455 (or 28012167441 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 30505250328003 its reverse (30082305250503), we get a palindrome (60587555578506).

The spelling of 30505250328003 in words is "thirty trillion, five hundred five billion, two hundred fifty million, three hundred twenty-eight thousand, three".