30123013111 has 2 divisors, whose sum is σ = 30123013112. Its totient is φ = 30123013110.

The previous prime is 30123013057. The next prime is 30123013157. The reversal of 30123013111 is 11131032103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30123013111 - 2¹⁵ = 30122980343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123013181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061506555 + 15061506556.

It is an arithmetic number, because the mean of its divisors is an integer number (15061506556).

Almost surely, 2^30123013111 is an apocalyptic number.

30123013111 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123013111 is an equidigital number, since it uses as much as digits as its factorization.

30123013111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30123013111 its reverse (11131032103), we get a palindrome (41254045214).

The spelling of 30123013111 in words is "thirty billion, one hundred twenty-three million, thirteen thousand, one hundred eleven".