10312331321 has 2 divisors, whose sum is σ = 10312331322. Its totient is φ = 10312331320.

The previous prime is 10312331311. The next prime is 10312331327. The reversal of 10312331321 is 12313321301.

10312331321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8509140025 + 1803191296 = 92245^2 + 42464^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312331321 - 2¹⁰ = 10312330297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10312331293 and 10312331302.

It is not a weakly prime, because it can be changed into another prime (10312331327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156165660 + 5156165661.

It is an arithmetic number, because the mean of its divisors is an integer number (5156165661).

Almost surely, 2^10312331321 is an apocalyptic number.

It is an amenable number.

10312331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312331321 is an equidigital number, since it uses as much as digits as its factorization.

10312331321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10312331321 its reverse (12313321301), we get a palindrome (22625652622).

The spelling of 10312331321 in words is "ten billion, three hundred twelve million, three hundred thirty-one thousand, three hundred twenty-one".