30321111103 has 2 divisors, whose sum is σ = 30321111104. Its totient is φ = 30321111102.

The previous prime is 30321111101. The next prime is 30321111109. The reversal of 30321111103 is 30111112303.

It is a weak prime.

It is an emirp because it is prime and its reverse (30111112303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30321111103 - 2¹ = 30321111101 is a prime.

Together with 30321111101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321111101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160555551 + 15160555552.

It is an arithmetic number, because the mean of its divisors is an integer number (15160555552).

Almost surely, 2^30321111103 is an apocalyptic number.

30321111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321111103 is an equidigital number, since it uses as much as digits as its factorization.

30321111103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30321111103 its reverse (30111112303), we get a palindrome (60432223406).

The spelling of 30321111103 in words is "thirty billion, three hundred twenty-one million, one hundred eleven thousand, one hundred three".