31020331116017 has 2 divisors, whose sum is σ = 31020331116018. Its totient is φ = 31020331116016.

The previous prime is 31020331115999. The next prime is 31020331116077. The reversal of 31020331116017 is 71061113302013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29212392712801 + 1807938403216 = 5404849^2 + 1344596^2 .

It is a cyclic number.

It is not a de Polignac number, because 31020331116017 - 2¹⁴ = 31020331099633 is a prime.

It is not a weakly prime, because it can be changed into another prime (31020331116077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510165558008 + 15510165558009.

It is an arithmetic number, because the mean of its divisors is an integer number (15510165558009).

Almost surely, 2^{31020331116017} is an apocalyptic number.

It is an amenable number.

31020331116017 is a deficient number, since it is larger than the sum of its proper divisors (1).

31020331116017 is an equidigital number, since it uses as much as digits as its factorization.

31020331116017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 31020331116017 in words is "thirty-one trillion, twenty billion, three hundred thirty-one million, one hundred sixteen thousand, seventeen".