10312201421 has 2 divisors, whose sum is σ = 10312201422. Its totient is φ = 10312201420.

The previous prime is 10312201399. The next prime is 10312201441. The reversal of 10312201421 is 12410221301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9773497321 + 538704100 = 98861^2 + 23210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312201421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10312201421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312201441) 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 as a sum of consecutive naturals, namely, 5156100710 + 5156100711.

It is an arithmetic number, because the mean of its divisors is an integer number (5156100711).

Almost surely, 2^10312201421 is an apocalyptic number.

It is an amenable number.

10312201421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312201421 is an equidigital number, since it uses as much as digits as its factorization.

10312201421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10312201421 its reverse (12410221301), we get a palindrome (22722422722).

The spelling of 10312201421 in words is "ten billion, three hundred twelve million, two hundred one thousand, four hundred twenty-one".