3216371513 has 2 divisors, whose sum is σ = 3216371514. Its totient is φ = 3216371512.

The previous prime is 3216371507. The next prime is 3216371531. The reversal of 3216371513 is 3151736123.

Together with next prime (3216371531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3101710249 + 114661264 = 55693^2 + 10708^2 .

It is an emirp because it is prime and its reverse (3151736123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3216371513 - 2⁶ = 3216371449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3216371513.

It is not a weakly prime, because it can be changed into another prime (3216371503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608185756 + 1608185757.

It is an arithmetic number, because the mean of its divisors is an integer number (1608185757).

Almost surely, 2^3216371513 is an apocalyptic number.

It is an amenable number.

3216371513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216371513 is an equidigital number, since it uses as much as digits as its factorization.

3216371513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 3216371513 is about 56713.0629837606. The cubic root of 3216371513 is about 1476.1213746603.

The spelling of 3216371513 in words is "three billion, two hundred sixteen million, three hundred seventy-one thousand, five hundred thirteen".