11022323231 has 8 divisors (see below), whose sum is σ = 11080109040. Its totient is φ = 10964680128.

The previous prime is 11022323197. The next prime is 11022323251. The reversal of 11022323231 is 13232322011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022323231 is a prime.

It is a super-2 number, since 2×11022323231² (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 (11022323251) 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 in 7 ways as a sum of consecutive naturals, for example, 120995 + ... + 191531.

It is an arithmetic number, because the mean of its divisors is an integer number (1385013630).

Almost surely, 2^11022323231 is an apocalyptic number.

11022323231 is a deficient number, since it is larger than the sum of its proper divisors (57785809).

11022323231 is an equidigital number, since it uses as much as digits as its factorization.

11022323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71353.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11022323231 its reverse (13232322011), we get a palindrome (24254645242).

The spelling of 11022323231 in words is "eleven billion, twenty-two million, three hundred twenty-three thousand, two hundred thirty-one".