1030345817 has 2 divisors, whose sum is σ = 1030345818. Its totient is φ = 1030345816.

The previous prime is 1030345781. The next prime is 1030345819. The reversal of 1030345817 is 7185430301.

Together with previous prime (1030345781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030345801 + 16 = 32099^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030345817 - 2⁶ = 1030345753 is a prime.

It is a super-2 number, since 2×1030345817² = 2123225005218794978, which contains 22 as substring.

Together with 1030345819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1030345819) 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, 515172908 + 515172909.

It is an arithmetic number, because the mean of its divisors is an integer number (515172909).

Almost surely, 2^1030345817 is an apocalyptic number.

It is an amenable number.

1030345817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030345817 is an equidigital number, since it uses as much as digits as its factorization.

1030345817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1030345817 is about 32099.0002492289. Note that the first 3 decimals coincide. The cubic root of 1030345817 is about 1010.0146444303.

The spelling of 1030345817 in words is "one billion, thirty million, three hundred forty-five thousand, eight hundred seventeen".