12320000331 has 4 divisors (see below), whose sum is σ = 16426667112. Its totient is φ = 8213333552.

The previous prime is 12320000323. The next prime is 12320000353. The reversal of 12320000331 is 13300002321.

12320000331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13300002321 = 3 ⋅4433334107.

It is a cyclic number.

It is not a de Polignac number, because 12320000331 - 2³ = 12320000323 is a prime.

It is a super-2 number, since 2×12320000331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12320000331.

It is not an unprimeable number, because it can be changed into a prime (12320000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053333386 + ... + 2053333391.

It is an arithmetic number, because the mean of its divisors is an integer number (4106666778).

Almost surely, 2^12320000331 is an apocalyptic number.

12320000331 is a deficient number, since it is larger than the sum of its proper divisors (4106666781).

12320000331 is an equidigital number, since it uses as much as digits as its factorization.

12320000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106666780.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12320000331 its reverse (13300002321), we get a palindrome (25620002652).

The spelling of 12320000331 in words is "twelve billion, three hundred twenty million, three hundred thirty-one", and thus it is an aban number.