1031000323609 has 2 divisors, whose sum is σ = 1031000323610. Its totient is φ = 1031000323608.

The previous prime is 1031000323583. The next prime is 1031000323679. The reversal of 1031000323609 is 9063230001301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607459683609 + 423540640000 = 779397^2 + 650800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031000323609 - 2³³ = 1022410389017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031000323679) 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, 515500161804 + 515500161805.

It is an arithmetic number, because the mean of its divisors is an integer number (515500161805).

Almost surely, 2^{1031000323609} is an apocalyptic number.

It is an amenable number.

1031000323609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031000323609 is an equidigital number, since it uses as much as digits as its factorization.

1031000323609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 1031000323609 in words is "one trillion, thirty-one billion, three hundred twenty-three thousand, six hundred nine".