3243143971 has 2 divisors, whose sum is σ = 3243143972. Its totient is φ = 3243143970.

The previous prime is 3243143963. The next prime is 3243144031. The reversal of 3243143971 is 1793413423.

It is a weak prime.

It is an emirp because it is prime and its reverse (1793413423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3243143971 - 2³ = 3243143963 is a prime.

It is a super-3 number, since 3×3243143971³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3243143971.

It is not a weakly prime, because it can be changed into another prime (3243143171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621571985 + 1621571986.

It is an arithmetic number, because the mean of its divisors is an integer number (1621571986).

Almost surely, 2^3243143971 is an apocalyptic number.

3243143971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243143971 is an equidigital number, since it uses as much as digits as its factorization.

3243143971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 3243143971 is about 56948.6081568286. The cubic root of 3243143971 is about 1480.2057132791.

The spelling of 3243143971 in words is "three billion, two hundred forty-three million, one hundred forty-three thousand, nine hundred seventy-one".