30140003 has 4 divisors (see below), whose sum is σ = 30161760. Its totient is φ = 30118248.

The previous prime is 30139999. The next prime is 30140041. The reversal of 30140003 is 30004103.

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

It is a cyclic number.

It is not a de Polignac number, because 30140003 - 2² = 30139999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140503) 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, 8648 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (7540440).

Almost surely, 2^30140003 is an apocalyptic number.

30140003 is a deficient number, since it is larger than the sum of its proper divisors (21757).

30140003 is a wasteful number, since it uses less digits than its factorization.

30140003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30140003 is about 5489.9911657488. The cubic root of 30140003 is about 311.2058582691.

Adding to 30140003 its reverse (30004103), we get a palindrome (60144106).

It can be divided in two parts, 301 and 40003, that added together give a palindrome (40304).

The spelling of 30140003 in words is "thirty million, one hundred forty thousand, three".