12322131311 has 16 divisors (see below), whose sum is σ = 14150742528. Its totient is φ = 10510711200.

The previous prime is 12322131277. The next prime is 12322131319. The reversal of 12322131311 is 11313122321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12322131311 - 2³⁰ = 11248389487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322131319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434716 + ... + 1443278.

It is an arithmetic number, because the mean of its divisors is an integer number (884421408).

Almost surely, 2^12322131311 is an apocalyptic number.

12322131311 is a deficient number, since it is larger than the sum of its proper divisors (1828611217).

12322131311 is an equidigital number, since it uses as much as digits as its factorization.

12322131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its digits is 216, while the sum is 20.

Adding to 12322131311 its reverse (11313122321), we get a palindrome (23635253632).

The spelling of 12322131311 in words is "twelve billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred eleven".