313322312020 has 24 divisors (see below), whose sum is σ = 661283280000. Its totient is φ = 124699129632.

The previous prime is 313322312011. The next prime is 313322312047. The reversal of 313322312020 is 20213223313.

It is a junction number, because it is equal to n+sod(n) for n = 313322311982 and 313322312000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39358120 + ... + 39366079.

It is an arithmetic number, because the mean of its divisors is an integer number (27553470000).

Almost surely, 2^313322312020 is an apocalyptic number.

It is an amenable number.

313322312020 is an abundant number, since it is smaller than the sum of its proper divisors (347960967980).

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

313322312020 is a wasteful number, since it uses less digits than its factorization.

313322312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78724407 (or 78724405 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313322312020 its reverse (20213223313), we get a palindrome (333535535333).

The spelling of 313322312020 in words is "three hundred thirteen billion, three hundred twenty-two million, three hundred twelve thousand, twenty".