11322232231 has 2 divisors, whose sum is σ = 11322232232. Its totient is φ = 11322232230.

The previous prime is 11322232213. The next prime is 11322232267. The reversal of 11322232231 is 13223222311.

Together with previous prime (11322232213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11322232231 - 2⁵ = 11322232199 is a prime.

It is a super-2 number, since 2×11322232231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11322272231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661116115 + 5661116116.

It is an arithmetic number, because the mean of its divisors is an integer number (5661116116).

Almost surely, 2^11322232231 is an apocalyptic number.

11322232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322232231 is an equidigital number, since it uses as much as digits as its factorization.

11322232231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

Adding to 11322232231 its reverse (13223222311), we get a palindrome (24545454542).

The spelling of 11322232231 in words is "eleven billion, three hundred twenty-two million, two hundred thirty-two thousand, two hundred thirty-one".