11231310011 has 2 divisors, whose sum is σ = 11231310012. Its totient is φ = 11231310010.

The previous prime is 11231309987. The next prime is 11231310047. The reversal of 11231310011 is 11001313211.

It is a happy number.

11231310011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231310011 is a prime.

It is a super-2 number, since 2×11231310011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231310091) 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, 5615655005 + 5615655006.

It is an arithmetic number, because the mean of its divisors is an integer number (5615655006).

Almost surely, 2^11231310011 is an apocalyptic number.

11231310011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231310011 is an equidigital number, since it uses as much as digits as its factorization.

11231310011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11231310011 its reverse (11001313211), we get a palindrome (22232623222).

The spelling of 11231310011 in words is "eleven billion, two hundred thirty-one million, three hundred ten thousand, eleven".