11333223313231 has 2 divisors, whose sum is σ = 11333223313232. Its totient is φ = 11333223313230.

The previous prime is 11333223313177. The next prime is 11333223313309. The reversal of 11333223313231 is 13231332233311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11333223313231 - 2²³ = 11333214924623 is a prime.

It is a super-2 number, since 2×11333223313231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11333223313193 and 11333223313202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11333223313331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666611656615 + 5666611656616.

It is an arithmetic number, because the mean of its divisors is an integer number (5666611656616).

Almost surely, 2^{11333223313231} is an apocalyptic number.

11333223313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333223313231 is an equidigital number, since it uses as much as digits as its factorization.

11333223313231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 31.

Adding to 11333223313231 its reverse (13231332233311), we get a palindrome (24564555546542).

The spelling of 11333223313231 in words is "eleven trillion, three hundred thirty-three billion, two hundred twenty-three million, three hundred thirteen thousand, two hundred thirty-one".