1000321313 has 16 divisors (see below), whose sum is σ = 1056468096. Its totient is φ = 945288960.

The previous prime is 1000321303. The next prime is 1000321319. The reversal of 1000321313 is 3131230001.

It is not a de Polignac number, because 1000321313 - 2²² = 996127009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000321319) 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 in 15 ways as a sum of consecutive naturals, for example, 1447298 + ... + 1447988.

It is an arithmetic number, because the mean of its divisors is an integer number (66029256).

Almost surely, 2^1000321313 is an apocalyptic number.

It is an amenable number.

1000321313 is a deficient number, since it is larger than the sum of its proper divisors (56146783).

1000321313 is a wasteful number, since it uses less digits than its factorization.

1000321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1000321313 is about 31627.8565982584. The cubic root of 1000321313 is about 1000.1070928640.

Adding to 1000321313 its reverse (3131230001), we get a palindrome (4131551314).

The spelling of 1000321313 in words is "one billion, three hundred twenty-one thousand, three hundred thirteen".