320110313 has 4 divisors (see below), whose sum is σ = 320162388. Its totient is φ = 320058240.

The previous prime is 320110267. The next prime is 320110327. The reversal of 320110313 is 313011023.

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 179640409 + 140469904 = 13403^2 + 11852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320110313 is a prime.

It is a super-2 number, since 2×320110313² = 204941224977915938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320110393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15356 + ... + 29597.

It is an arithmetic number, because the mean of its divisors is an integer number (80040597).

Almost surely, 2^320110313 is an apocalyptic number.

It is an amenable number.

320110313 is a deficient number, since it is larger than the sum of its proper divisors (52075).

320110313 is an equidigital number, since it uses as much as digits as its factorization.

320110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52074.

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

The square root of 320110313 is about 17891.6268964005. The cubic root of 320110313 is about 684.0689665478.

Adding to 320110313 its reverse (313011023), we get a palindrome (633121336).

The spelling of 320110313 in words is "three hundred twenty million, one hundred ten thousand, three hundred thirteen".