30111230213 has 2 divisors, whose sum is σ = 30111230214. Its totient is φ = 30111230212.

The previous prime is 30111230179. The next prime is 30111230287. The reversal of 30111230213 is 31203211103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27869965249 + 2241264964 = 166943^2 + 47342^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111230213 - 2¹⁰ = 30111229189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30111230191 and 30111230200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30111233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055615106 + 15055615107.

It is an arithmetic number, because the mean of its divisors is an integer number (15055615107).

Almost surely, 2^30111230213 is an apocalyptic number.

It is an amenable number.

30111230213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111230213 is an equidigital number, since it uses as much as digits as its factorization.

30111230213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30111230213 its reverse (31203211103), we get a palindrome (61314441316).

The spelling of 30111230213 in words is "thirty billion, one hundred eleven million, two hundred thirty thousand, two hundred thirteen".