30230021203 has 2 divisors, whose sum is σ = 30230021204. Its totient is φ = 30230021202.

The previous prime is 30230021189. The next prime is 30230021221. The reversal of 30230021203 is 30212003203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230021203 is a prime.

It is not a weakly prime, because it can be changed into another prime (30230021243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115010601 + 15115010602.

It is an arithmetic number, because the mean of its divisors is an integer number (15115010602).

Almost surely, 2^30230021203 is an apocalyptic number.

30230021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230021203 is an equidigital number, since it uses as much as digits as its factorization.

30230021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30230021203 its reverse (30212003203), we get a palindrome (60442024406).

The spelling of 30230021203 in words is "thirty billion, two hundred thirty million, twenty-one thousand, two hundred three".