30530111 has 2 divisors, whose sum is σ = 30530112. Its totient is φ = 30530110.

The previous prime is 30530107. The next prime is 30530153. The reversal of 30530111 is 11103503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30530111 - 2² = 30530107 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30530161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265055 + 15265056.

It is an arithmetic number, because the mean of its divisors is an integer number (15265056).

Almost surely, 2^30530111 is an apocalyptic number.

30530111 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530111 is an equidigital number, since it uses as much as digits as its factorization.

30530111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 30530111 is about 5525.4059579365. The cubic root of 30530111 is about 312.5427730252.

Adding to 30530111 its reverse (11103503), we get a palindrome (41633614).

The spelling of 30530111 in words is "thirty million, five hundred thirty thousand, one hundred eleven".