11322132231 has 4 divisors (see below), whose sum is σ = 15096176312. Its totient is φ = 7548088152.

The previous prime is 11322132203. The next prime is 11322132251. The reversal of 11322132231 is 13223122311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11322132231 - 2⁹ = 11322131719 is a prime.

It is a super-2 number, since 2×11322132231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322132198 and 11322132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322132251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887022036 + ... + 1887022041.

It is an arithmetic number, because the mean of its divisors is an integer number (3774044078).

Almost surely, 2^11322132231 is an apocalyptic number.

11322132231 is a deficient number, since it is larger than the sum of its proper divisors (3774044081).

11322132231 is an equidigital number, since it uses as much as digits as its factorization.

11322132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774044080.

The product of its digits is 432, while the sum is 21.

Adding to 11322132231 its reverse (13223122311), we get a palindrome (24545254542).

The spelling of 11322132231 in words is "eleven billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred thirty-one".