30231321103 has 2 divisors, whose sum is σ = 30231321104. Its totient is φ = 30231321102.

The previous prime is 30231321089. The next prime is 30231321139. The reversal of 30231321103 is 30112313203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30231321103 - 2³³ = 21641386511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231321193) 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 as a sum of consecutive naturals, namely, 15115660551 + 15115660552.

It is an arithmetic number, because the mean of its divisors is an integer number (15115660552).

Almost surely, 2^30231321103 is an apocalyptic number.

30231321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231321103 is an equidigital number, since it uses as much as digits as its factorization.

30231321103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30231321103 its reverse (30112313203), we get a palindrome (60343634306).

The spelling of 30231321103 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred three".