313322506 has 16 divisors (see below), whose sum is σ = 537767424. Its totient is φ = 134120304.

The previous prime is 313322459. The next prime is 313322507. The reversal of 313322506 is 605223313.

It is a happy number.

313322506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×313322506² = 196341985532240072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313322507) 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 7 ways as a sum of consecutive naturals, for example, 885 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (33610464).

Almost surely, 2^313322506 is an apocalyptic number.

313322506 is a deficient number, since it is larger than the sum of its proper divisors (224444918).

313322506 is a wasteful number, since it uses less digits than its factorization.

313322506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26805.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 313322506 is about 17700.9182247701. The cubic root of 313322506 is about 679.1992491794.

Adding to 313322506 its reverse (605223313), we get a palindrome (918545819).

The spelling of 313322506 in words is "three hundred thirteen million, three hundred twenty-two thousand, five hundred six".