30143313203 has 4 divisors (see below), whose sum is σ = 30192487248. Its totient is φ = 30094139160.

The previous prime is 30143313181. The next prime is 30143313209. The reversal of 30143313203 is 30231334103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30143313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30143313209) 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, 24586103 + ... + 24587328.

It is an arithmetic number, because the mean of its divisors is an integer number (7548121812).

Almost surely, 2^30143313203 is an apocalyptic number.

30143313203 is a deficient number, since it is larger than the sum of its proper divisors (49174045).

30143313203 is an equidigital number, since it uses as much as digits as its factorization.

30143313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49174044.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30143313203 its reverse (30231334103), we get a palindrome (60374647306).

The spelling of 30143313203 in words is "thirty billion, one hundred forty-three million, three hundred thirteen thousand, two hundred three".