11131030213 has 2 divisors, whose sum is σ = 11131030214. Its totient is φ = 11131030212.

The previous prime is 11131030201. The next prime is 11131030231. The reversal of 11131030213 is 31203013111.

11131030213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11131030231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8390193604 + 2740836609 = 91598^2 + 52353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131030213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131033213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565515106 + 5565515107.

It is an arithmetic number, because the mean of its divisors is an integer number (5565515107).

Almost surely, 2^11131030213 is an apocalyptic number.

It is an amenable number.

11131030213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131030213 is an equidigital number, since it uses as much as digits as its factorization.

11131030213 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 11131030213 its reverse (31203013111), we get a palindrome (42334043324).

The spelling of 11131030213 in words is "eleven billion, one hundred thirty-one million, thirty thousand, two hundred thirteen".