30430312203 has 4 divisors (see below), whose sum is σ = 40573749608. Its totient is φ = 20286874800.

The previous prime is 30430312147. The next prime is 30430312229. The reversal of 30430312203 is 30221303403.

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

It is not a de Polignac number, because 30430312203 - 2²² = 30426117899 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 30430312203.

It is not an unprimeable number, because it can be changed into a prime (30430312303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5071718698 + ... + 5071718703.

It is an arithmetic number, because the mean of its divisors is an integer number (10143437402).

Almost surely, 2^30430312203 is an apocalyptic number.

30430312203 is a deficient number, since it is larger than the sum of its proper divisors (10143437405).

30430312203 is a wasteful number, since it uses less digits than its factorization.

30430312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143437404.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30430312203 its reverse (30221303403), we get a palindrome (60651615606).

The spelling of 30430312203 in words is "thirty billion, four hundred thirty million, three hundred twelve thousand, two hundred three".