30111012003 has 4 divisors (see below), whose sum is σ = 40148016008. Its totient is φ = 20074008000.

The previous prime is 30111011947. The next prime is 30111012049. The reversal of 30111012003 is 30021011103.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30111012003 - 2²⁰ = 30109963427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30111012003.

It is not an unprimeable number, because it can be changed into a prime (30111012073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5018501998 + ... + 5018502003.

It is an arithmetic number, because the mean of its divisors is an integer number (10037004002).

Almost surely, 2^30111012003 is an apocalyptic number.

30111012003 is a deficient number, since it is larger than the sum of its proper divisors (10037004005).

30111012003 is a wasteful number, since it uses less digits than its factorization.

30111012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037004004.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30111012003 its reverse (30021011103), we get a palindrome (60132023106).

The spelling of 30111012003 in words is "thirty billion, one hundred eleven million, twelve thousand, three".