3161989213 has 2 divisors, whose sum is σ = 3161989214. Its totient is φ = 3161989212.

The previous prime is 3161989163. The next prime is 3161989261. The reversal of 3161989213 is 3129891613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2625742564 + 536246649 = 51242^2 + 23157^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161989213 - 2⁹ = 3161988701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3161989213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161989913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580994606 + 1580994607.

It is an arithmetic number, because the mean of its divisors is an integer number (1580994607).

Almost surely, 2^3161989213 is an apocalyptic number.

It is an amenable number.

3161989213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161989213 is an equidigital number, since it uses as much as digits as its factorization.

3161989213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 3161989213 is about 56231.5677622454. The cubic root of 3161989213 is about 1467.7546378265.

The spelling of 3161989213 in words is "three billion, one hundred sixty-one million, nine hundred eighty-nine thousand, two hundred thirteen".