313323020020 has 12 divisors (see below), whose sum is σ = 657978342084. Its totient is φ = 125329208000.

The previous prime is 313323020009. The next prime is 313323020081. The reversal of 313323020020 is 20020323313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231541891344 + 81781128676 = 481188^2 + 285974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313323020020.

It is a congruent 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, 7833075481 + ... + 7833075520.

It is an arithmetic number, because the mean of its divisors is an integer number (54831528507).

Almost surely, 2^313323020020 is an apocalyptic number.

It is an amenable number.

313323020020 is an abundant number, since it is smaller than the sum of its proper divisors (344655322064).

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

313323020020 is a wasteful number, since it uses less digits than its factorization.

313323020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15666151010 (or 15666151008 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 313323020020 its reverse (20020323313), we get a palindrome (333343343333).

The spelling of 313323020020 in words is "three hundred thirteen billion, three hundred twenty-three million, twenty thousand, twenty".