320000313 has 4 divisors (see below), whose sum is σ = 426667088. Its totient is φ = 213333540.

The previous prime is 320000287. The next prime is 320000339. The reversal of 320000313 is 313000023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (320000287) and next prime (320000339).

It is not a de Polignac number, because 320000313 - 2¹⁰ = 319999289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320000363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53333383 + ... + 53333388.

It is an arithmetic number, because the mean of its divisors is an integer number (106666772).

Almost surely, 2^320000313 is an apocalyptic number.

It is an amenable number.

320000313 is a deficient number, since it is larger than the sum of its proper divisors (106666775).

320000313 is a wasteful number, since it uses less digits than its factorization.

320000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106666774.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 320000313 is about 17888.5525686121. The cubic root of 320000313 is about 683.9906016800.

Adding to 320000313 its reverse (313000023), we get a palindrome (633000336).

The spelling of 320000313 in words is "three hundred twenty million, three hundred thirteen", and thus it is an aban number.