1000313689 has 2 divisors, whose sum is σ = 1000313690. Its totient is φ = 1000313688.

The previous prime is 1000313683. The next prime is 1000313747. The reversal of 1000313689 is 9863130001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969699600 + 30614089 = 31140^2 + 5533^2 .

It is an emirp because it is prime and its reverse (9863130001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000313689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000313689.

It is not a weakly prime, because it can be changed into another prime (1000313683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500156844 + 500156845.

It is an arithmetic number, because the mean of its divisors is an integer number (500156845).

Almost surely, 2^1000313689 is an apocalyptic number.

It is an amenable number.

1000313689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000313689 is an equidigital number, since it uses as much as digits as its factorization.

1000313689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1000313689 is about 31627.7360713662. The cubic root of 1000313689 is about 1000.1045520685.

The spelling of 1000313689 in words is "one billion, three hundred thirteen thousand, six hundred eighty-nine".