11322322231 has 24 divisors (see below), whose sum is σ = 13120192512. Its totient is φ = 9748899600.

The previous prime is 11322322183. The next prime is 11322322237. The reversal of 11322322231 is 13222322311.

It is not a de Polignac number, because 11322322231 - 2¹⁵ = 11322289463 is a prime.

It is a super-2 number, since 2×11322322231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322322237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144186 + ... + 208408.

It is an arithmetic number, because the mean of its divisors is an integer number (546674688).

Almost surely, 2^11322322231 is an apocalyptic number.

11322322231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11322322231 is a deficient number, since it is larger than the sum of its proper divisors (1797870281).

11322322231 is a wasteful number, since it uses less digits than its factorization.

11322322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64323 (or 64312 counting only the distinct ones).

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

Adding to 11322322231 its reverse (13222322311), we get a palindrome (24544644542).

The spelling of 11322322231 in words is "eleven billion, three hundred twenty-two million, three hundred twenty-two thousand, two hundred thirty-one".