11323222331 has 2 divisors, whose sum is σ = 11323222332. Its totient is φ = 11323222330.

The previous prime is 11323222327. The next prime is 11323222333. The reversal of 11323222331 is 13322232311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11323222331 - 2² = 11323222327 is a prime.

It is a super-2 number, since 2×11323222331² (a number of 21 digits) contains 22 as substring.

Together with 11323222333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11323222297 and 11323222306.

It is not a weakly prime, because it can be changed into another prime (11323222333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661611165 + 5661611166.

It is an arithmetic number, because the mean of its divisors is an integer number (5661611166).

Almost surely, 2^11323222331 is an apocalyptic number.

11323222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323222331 is an equidigital number, since it uses as much as digits as its factorization.

11323222331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 11323222331 its reverse (13322232311), we get a palindrome (24645454642).

The spelling of 11323222331 in words is "eleven billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty-one".