3143421143281 has 2 divisors, whose sum is σ = 3143421143282. Its totient is φ = 3143421143280.

The previous prime is 3143421143263. The next prime is 3143421143371. The reversal of 3143421143281 is 1823411243413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2896055168400 + 247365974881 = 1701780^2 + 497359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143421143281 - 2⁵ = 3143421143249 is a prime.

It is a super-2 number, since 2×3143421143281² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3143421143281.

It is not a weakly prime, because it can be changed into another prime (3143421143981) 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, 1571710571640 + 1571710571641.

It is an arithmetic number, because the mean of its divisors is an integer number (1571710571641).

Almost surely, 2^{3143421143281} is an apocalyptic number.

It is an amenable number.

3143421143281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143421143281 is an equidigital number, since it uses as much as digits as its factorization.

3143421143281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

Adding to 3143421143281 its reverse (1823411243413), we get a palindrome (4966832386694).

The spelling of 3143421143281 in words is "three trillion, one hundred forty-three billion, four hundred twenty-one million, one hundred forty-three thousand, two hundred eighty-one".