2312320212331 has 4 divisors (see below), whose sum is σ = 2343995831752. Its totient is φ = 2280644592912.

The previous prime is 2312320212299. The next prime is 2312320212341. The reversal of 2312320212331 is 1332120232132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312320212331 - 2⁵ = 2312320212299 is a prime.

It is a super-2 number, since 2×2312320212331² (a number of 26 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 = 2312320212296 and 2312320212305.

It is not an unprimeable number, because it can be changed into a prime (2312320212341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15837809601 + ... + 15837809746.

It is an arithmetic number, because the mean of its divisors is an integer number (585998957938).

Almost surely, 2^{2312320212331} is an apocalyptic number.

2312320212331 is a deficient number, since it is larger than the sum of its proper divisors (31675619421).

2312320212331 is an equidigital number, since it uses as much as digits as its factorization.

2312320212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31675619420.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2312320212331 its reverse (1332120232132), we get a palindrome (3644440444463).

The spelling of 2312320212331 in words is "two trillion, three hundred twelve billion, three hundred twenty million, two hundred twelve thousand, three hundred thirty-one".