30531012003 has 6 divisors (see below), whose sum is σ = 44100350684. Its totient is φ = 20354007996.

The previous prime is 30531011971. The next prime is 30531012037. The reversal of 30531012003 is 30021013503.

It is not a de Polignac number, because 30531012003 - 2⁵ = 30531011971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30531012073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1696167325 + ... + 1696167342.

Almost surely, 2^30531012003 is an apocalyptic number.

30531012003 is a deficient number, since it is larger than the sum of its proper divisors (13569338681).

30531012003 is a wasteful number, since it uses less digits than its factorization.

30531012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392334673 (or 3392334670 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 30531012003 its reverse (30021013503), we get a palindrome (60552025506).

The spelling of 30531012003 in words is "thirty billion, five hundred thirty-one million, twelve thousand, three".