3144043140221 has 2 divisors, whose sum is σ = 3144043140222. Its totient is φ = 3144043140220.

The previous prime is 3144043140209. The next prime is 3144043140257. The reversal of 3144043140221 is 1220413404413.

3144043140221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3028452660025 + 115590480196 = 1740245^2 + 339986^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144043140221 - 2⁶ = 3144043140157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144043140281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572021570110 + 1572021570111.

It is an arithmetic number, because the mean of its divisors is an integer number (1572021570111).

Almost surely, 2^{3144043140221} is an apocalyptic number.

It is an amenable number.

3144043140221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144043140221 is an equidigital number, since it uses as much as digits as its factorization.

3144043140221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 3144043140221 its reverse (1220413404413), we get a palindrome (4364456544634).

The spelling of 3144043140221 in words is "three trillion, one hundred forty-four billion, forty-three million, one hundred forty thousand, two hundred twenty-one".