1314203442421 has 2 divisors, whose sum is σ = 1314203442422. Its totient is φ = 1314203442420.

The previous prime is 1314203442359. The next prime is 1314203442443. The reversal of 1314203442421 is 1242443024131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311242559025 + 2960883396 = 1145095^2 + 54414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314203442421 - 2²⁷ = 1314069224693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314203442491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657101721210 + 657101721211.

It is an arithmetic number, because the mean of its divisors is an integer number (657101721211).

Almost surely, 2^{1314203442421} is an apocalyptic number.

It is an amenable number.

1314203442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314203442421 is an equidigital number, since it uses as much as digits as its factorization.

1314203442421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1314203442421 its reverse (1242443024131), we get a palindrome (2556646466552).

The spelling of 1314203442421 in words is "one trillion, three hundred fourteen billion, two hundred three million, four hundred forty-two thousand, four hundred twenty-one".