313323020 has 24 divisors (see below), whose sum is σ = 686587104. Its totient is φ = 119879936.

The previous prime is 313323019. The next prime is 313323029. The reversal of 313323020 is 20323313.

It is a self number, because there is not a number n which added to its sum of digits gives 313323020.

It is not an unprimeable number, because it can be changed into a prime (313323029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340109 + ... + 341028.

It is an arithmetic number, because the mean of its divisors is an integer number (28607796).

Almost surely, 2^313323020 is an apocalyptic number.

It is an amenable number.

313323020 is an abundant number, since it is smaller than the sum of its proper divisors (373264084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313323020 is a wasteful number, since it uses less digits than its factorization.

313323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681169 (or 681167 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 313323020 is about 17700.9327437850. The cubic root of 313323020 is about 679.1996205839.

Adding to 313323020 its reverse (20323313), we get a palindrome (333646333).

The spelling of 313323020 in words is "three hundred thirteen million, three hundred twenty-three thousand, twenty".