3199987213 has 2 divisors, whose sum is σ = 3199987214. Its totient is φ = 3199987212.

The previous prime is 3199987199. The next prime is 3199987237. The reversal of 3199987213 is 3127899913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1711725129 + 1488262084 = 41373^2 + 38578^2 .

It is an emirp because it is prime and its reverse (3127899913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3199987213 - 2¹⁷ = 3199856141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3199987313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599993606 + 1599993607.

It is an arithmetic number, because the mean of its divisors is an integer number (1599993607).

Almost surely, 2^3199987213 is an apocalyptic number.

It is an amenable number.

3199987213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3199987213 is an equidigital number, since it uses as much as digits as its factorization.

3199987213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 3199987213 is about 56568.4294726308. The cubic root of 3199987213 is about 1473.6106366323.

The spelling of 3199987213 in words is "three billion, one hundred ninety-nine million, nine hundred eighty-seven thousand, two hundred thirteen".