3131017 has 2 divisors, whose sum is σ = 3131018. Its totient is φ = 3131016.

The previous prime is 3130997. The next prime is 3131021. The reversal of 3131017 is 7101313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 19321 = 1764^2 + 139^2 .

It is an emirp because it is prime and its reverse (7101313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565508 + 1565509.

It is an arithmetic number, because the mean of its divisors is an integer number (1565509).

Almost surely, 2^3131017 is an apocalyptic number.

It is an amenable number.

3131017 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131017 is an equidigital number, since it uses as much as digits as its factorization.

3131017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 3131017 is about 1769.4679991455. The cubic root of 3131017 is about 146.2946604298.

The spelling of 3131017 in words is "three million, one hundred thirty-one thousand, seventeen".