320313011 has 4 divisors (see below), whose sum is σ = 320350872. Its totient is φ = 320275152.

The previous prime is 320312989. The next prime is 320313017. The reversal of 320313011 is 110313023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320313011 - 2²² = 316118707 is a prime.

It is a super-2 number, since 2×320313011² = 205200850031772242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320313017) 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, 215 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (80087718).

Almost surely, 2^320313011 is an apocalyptic number.

320313011 is a deficient number, since it is larger than the sum of its proper divisors (37861).

320313011 is a wasteful number, since it uses less digits than its factorization.

320313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37860.

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

The square root of 320313011 is about 17897.2906050050. The cubic root of 320313011 is about 684.2133231951.

Adding to 320313011 its reverse (110313023), we get a palindrome (430626034).

The spelling of 320313011 in words is "three hundred twenty million, three hundred thirteen thousand, eleven".