11323211131 has 8 divisors (see below), whose sum is σ = 11990946240. Its totient is φ = 10655660928.

The previous prime is 11323211111. The next prime is 11323211143. The reversal of 11323211131 is 13111232311.

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

It is not a de Polignac number, because 11323211131 - 2¹¹ = 11323209083 is a prime.

It is a super-2 number, since 2×11323211131² (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 = 11323211099 and 11323211108.

It is not an unprimeable number, because it can be changed into a prime (11323211111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91630 + ... + 176188.

It is an arithmetic number, because the mean of its divisors is an integer number (1498868280).

Almost surely, 2^11323211131 is an apocalyptic number.

11323211131 is a deficient number, since it is larger than the sum of its proper divisors (667735109).

11323211131 is an equidigital number, since it uses as much as digits as its factorization.

11323211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92453.

The product of its digits is 108, while the sum is 19.

Adding to 11323211131 its reverse (13111232311), we get a palindrome (24434443442).

The spelling of 11323211131 in words is "eleven billion, three hundred twenty-three million, two hundred eleven thousand, one hundred thirty-one".