1000313305 has 4 divisors (see below), whose sum is σ = 1200375972. Its totient is φ = 800250640.

The previous prime is 1000313299. The next prime is 1000313323. The reversal of 1000313305 is 5033130001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 700607961 + 299705344 = 26469^2 + 17312^2 .

It is not a de Polignac number, because 1000313305 - 2¹³ = 1000305113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 100031326 + ... + 100031335.

It is an arithmetic number, because the mean of its divisors is an integer number (300093993).

Almost surely, 2^1000313305 is an apocalyptic number.

It is an amenable number.

1000313305 is a deficient number, since it is larger than the sum of its proper divisors (200062667).

1000313305 is an equidigital number, since it uses as much as digits as its factorization.

1000313305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200062666.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1000313305 is about 31627.7300007446. The cubic root of 1000313305 is about 1000.1044240952.

Adding to 1000313305 its reverse (5033130001), we get a palindrome (6033443306).

The spelling of 1000313305 in words is "one billion, three hundred thirteen thousand, three hundred five".