11230213231 has 2 divisors, whose sum is σ = 11230213232. Its totient is φ = 11230213230.

The previous prime is 11230213177. The next prime is 11230213259. The reversal of 11230213231 is 13231203211.

It is a strong prime.

It is an emirp because it is prime and its reverse (13231203211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11230213231 - 2¹¹ = 11230211183 is a prime.

It is a super-2 number, since 2×11230213231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230213199 and 11230213208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230213261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615106615 + 5615106616.

It is an arithmetic number, because the mean of its divisors is an integer number (5615106616).

Almost surely, 2^11230213231 is an apocalyptic number.

11230213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230213231 is an equidigital number, since it uses as much as digits as its factorization.

11230213231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11230213231 its reverse (13231203211), we get a palindrome (24461416442).

The spelling of 11230213231 in words is "eleven billion, two hundred thirty million, two hundred thirteen thousand, two hundred thirty-one".