313226065 has 4 divisors (see below), whose sum is σ = 375871284. Its totient is φ = 250580848.

The previous prime is 313226051. The next prime is 313226099. The reversal of 313226065 is 560622313.

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 129026881 + 184199184 = 11359^2 + 13572^2 .

It is a cyclic number.

It is not a de Polignac number, because 313226065 - 2¹¹ = 313224017 is a prime.

It is a super-2 number, since 2×313226065² = 196221135590768450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31322602 + ... + 31322611.

It is an arithmetic number, because the mean of its divisors is an integer number (93967821).

Almost surely, 2^313226065 is an apocalyptic number.

It is an amenable number.

313226065 is a deficient number, since it is larger than the sum of its proper divisors (62645219).

313226065 is an equidigital number, since it uses as much as digits as its factorization.

313226065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62645218.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 313226065 is about 17698.1938344002. The cubic root of 313226065 is about 679.1295559450.

Adding to 313226065 its reverse (560622313), we get a palindrome (873848378).

The spelling of 313226065 in words is "three hundred thirteen million, two hundred twenty-six thousand, sixty-five".