12320331120131 has 4 divisors (see below), whose sum is σ = 12320338760112. Its totient is φ = 12320323480152.

The previous prime is 12320331120113. The next prime is 12320331120161. The reversal of 12320331120131 is 13102113302321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12320331120131 - 2³⁴ = 12303151250947 is a prime.

It is a super-2 number, since 2×12320331120131² (a number of 27 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 = 12320331120097 and 12320331120106.

It is not an unprimeable number, because it can be changed into a prime (12320331120161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350975 + ... + 4976328.

It is an arithmetic number, because the mean of its divisors is an integer number (3080084690028).

Almost surely, 2^{12320331120131} is an apocalyptic number.

12320331120131 is a deficient number, since it is larger than the sum of its proper divisors (7639981).

12320331120131 is an equidigital number, since it uses as much as digits as its factorization.

12320331120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639980.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12320331120131 its reverse (13102113302321), we get a palindrome (25422444422452).

The spelling of 12320331120131 in words is "twelve trillion, three hundred twenty billion, three hundred thirty-one million, one hundred twenty thousand, one hundred thirty-one".