3213131017 has 2 divisors, whose sum is σ = 3213131018. Its totient is φ = 3213131016.

The previous prime is 3213130979. The next prime is 3213131081. The reversal of 3213131017 is 7101313123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2856261136 + 356869881 = 53444^2 + 18891^2 .

It is an emirp because it is prime and its reverse (7101313123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213131017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213138017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606565508 + 1606565509.

It is an arithmetic number, because the mean of its divisors is an integer number (1606565509).

Almost surely, 2^3213131017 is an apocalyptic number.

It is an amenable number.

3213131017 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213131017 is an equidigital number, since it uses as much as digits as its factorization.

3213131017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 3213131017 is about 56684.4865637857. The cubic root of 3213131017 is about 1475.6254770621.

The spelling of 3213131017 in words is "three billion, two hundred thirteen million, one hundred thirty-one thousand, seventeen".