3221004131 has 2 divisors, whose sum is σ = 3221004132. Its totient is φ = 3221004130.

The previous prime is 3221004121. The next prime is 3221004151. The reversal of 3221004131 is 1314001223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221004131 is a prime.

It is a super-2 number, since 2×3221004131² = 20749735223838130322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3221004121) 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, 1610502065 + 1610502066.

It is an arithmetic number, because the mean of its divisors is an integer number (1610502066).

Almost surely, 2^3221004131 is an apocalyptic number.

3221004131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221004131 is an equidigital number, since it uses as much as digits as its factorization.

3221004131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3221004131 is about 56753.8908886430. The cubic root of 3221004131 is about 1476.8297325019.

Adding to 3221004131 its reverse (1314001223), we get a palindrome (4535005354).

The spelling of 3221004131 in words is "three billion, two hundred twenty-one million, four thousand, one hundred thirty-one".