30231321203 has 2 divisors, whose sum is σ = 30231321204. Its totient is φ = 30231321202.

The previous prime is 30231321193. The next prime is 30231321217. The reversal of 30231321203 is 30212313203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30231321203 - 2⁶ = 30231321139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30231321103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115660601 + 15115660602.

It is an arithmetic number, because the mean of its divisors is an integer number (15115660602).

Almost surely, 2^30231321203 is an apocalyptic number.

30231321203 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231321203 is an equidigital number, since it uses as much as digits as its factorization.

30231321203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30231321203 its reverse (30212313203), we get a palindrome (60443634406).

The spelling of 30231321203 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred three".