3161443871 has 2 divisors, whose sum is σ = 3161443872. Its totient is φ = 3161443870.

The previous prime is 3161443847. The next prime is 3161443897. The reversal of 3161443871 is 1783441613.

It is a weak prime.

It is an emirp because it is prime and its reverse (1783441613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161443871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161443171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580721935 + 1580721936.

It is an arithmetic number, because the mean of its divisors is an integer number (1580721936).

Almost surely, 2^3161443871 is an apocalyptic number.

3161443871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161443871 is an equidigital number, since it uses as much as digits as its factorization.

3161443871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 3161443871 is about 56226.7184797406. The cubic root of 3161443871 is about 1467.6702527326.

The spelling of 3161443871 in words is "three billion, one hundred sixty-one million, four hundred forty-three thousand, eight hundred seventy-one".