11332313231 has 2 divisors, whose sum is σ = 11332313232. Its totient is φ = 11332313230.

The previous prime is 11332313227. The next prime is 11332313249. The reversal of 11332313231 is 13231323311.

11332313231 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 not a de Polignac number, because 11332313231 - 2² = 11332313227 is a prime.

It is a super-2 number, since 2×11332313231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11332313197 and 11332313206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11332313281) 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, 5666156615 + 5666156616.

It is an arithmetic number, because the mean of its divisors is an integer number (5666156616).

Almost surely, 2^11332313231 is an apocalyptic number.

11332313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11332313231 is an equidigital number, since it uses as much as digits as its factorization.

11332313231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

Adding to 11332313231 its reverse (13231323311), we get a palindrome (24563636542).

The spelling of 11332313231 in words is "eleven billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred thirty-one".