10311403321 has 2 divisors, whose sum is σ = 10311403322. Its totient is φ = 10311403320.

The previous prime is 10311403237. The next prime is 10311403327. The reversal of 10311403321 is 12330411301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10073133225 + 238270096 = 100365^2 + 15436^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311403321 - 2²⁹ = 9774532409 is a prime.

It is not a weakly prime, because it can be changed into another prime (10311403327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155701660 + 5155701661.

It is an arithmetic number, because the mean of its divisors is an integer number (5155701661).

Almost surely, 2^10311403321 is an apocalyptic number.

It is an amenable number.

10311403321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311403321 is an equidigital number, since it uses as much as digits as its factorization.

10311403321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10311403321 its reverse (12330411301), we get a palindrome (22641814622).

The spelling of 10311403321 in words is "ten billion, three hundred eleven million, four hundred three thousand, three hundred twenty-one".