3211215871 has 2 divisors, whose sum is σ = 3211215872. Its totient is φ = 3211215870.

The previous prime is 3211215767. The next prime is 3211215911. The reversal of 3211215871 is 1785121123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3211215871 - 2⁷ = 3211215743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211213871) 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, 1605607935 + 1605607936.

It is an arithmetic number, because the mean of its divisors is an integer number (1605607936).

Almost surely, 2^3211215871 is an apocalyptic number.

3211215871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211215871 is an equidigital number, since it uses as much as digits as its factorization.

3211215871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 3211215871 is about 56667.5910110885. The cubic root of 3211215871 is about 1475.3322428434.

Adding to 3211215871 its reverse (1785121123), we get a palindrome (4996336994).

The spelling of 3211215871 in words is "three billion, two hundred eleven million, two hundred fifteen thousand, eight hundred seventy-one".