10310320421 has 2 divisors, whose sum is σ = 10310320422. Its totient is φ = 10310320420.

The previous prime is 10310320351. The next prime is 10310320457. The reversal of 10310320421 is 12402301301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7868577025 + 2441743396 = 88705^2 + 49414^2 .

It is a cyclic number.

It is not a de Polignac number, because 10310320421 - 2²⁶ = 10243211557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10310320421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10310320621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155160210 + 5155160211.

It is an arithmetic number, because the mean of its divisors is an integer number (5155160211).

Almost surely, 2^10310320421 is an apocalyptic number.

It is an amenable number.

10310320421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10310320421 is an equidigital number, since it uses as much as digits as its factorization.

10310320421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10310320421 its reverse (12402301301), we get a palindrome (22712621722).

The spelling of 10310320421 in words is "ten billion, three hundred ten million, three hundred twenty thousand, four hundred twenty-one".