1031345361173 has 2 divisors, whose sum is σ = 1031345361174. Its totient is φ = 1031345361172.

The previous prime is 1031345361139. The next prime is 1031345361229. The reversal of 1031345361173 is 3711635431301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 961180238404 + 70165122769 = 980398^2 + 264887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031345361173 - 2²⁸ = 1031076925717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031345361773) 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, 515672680586 + 515672680587.

It is an arithmetic number, because the mean of its divisors is an integer number (515672680587).

Almost surely, 2^{1031345361173} is an apocalyptic number.

It is an amenable number.

1031345361173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031345361173 is an equidigital number, since it uses as much as digits as its factorization.

1031345361173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 1031345361173 in words is "one trillion, thirty-one billion, three hundred forty-five million, three hundred sixty-one thousand, one hundred seventy-three".