10311201421 has 2 divisors, whose sum is σ = 10311201422. Its totient is φ = 10311201420.

The previous prime is 10311201389. The next prime is 10311201449. The reversal of 10311201421 is 12410211301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10279729321 + 31472100 = 101389^2 + 5610^2 .

It is an emirp because it is prime and its reverse (12410211301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10311201421 - 2⁵ = 10311201389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10311201395 and 10311201404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311201521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155600710 + 5155600711.

It is an arithmetic number, because the mean of its divisors is an integer number (5155600711).

Almost surely, 2^10311201421 is an apocalyptic number.

It is an amenable number.

10311201421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311201421 is an equidigital number, since it uses as much as digits as its factorization.

10311201421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10311201421 its reverse (12410211301), we get a palindrome (22721412722).

The spelling of 10311201421 in words is "ten billion, three hundred eleven million, two hundred one thousand, four hundred twenty-one".