313201320220 has 24 divisors (see below), whose sum is σ = 658274140944. Its totient is φ = 125175505536.

The previous prime is 313201320217. The next prime is 313201320221. The reversal of 313201320220 is 22023102313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313201320221) 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, 6539454 + ... + 6587173.

It is an arithmetic number, because the mean of its divisors is an integer number (27428089206).

Almost surely, 2^313201320220 is an apocalyptic number.

It is an amenable number.

313201320220 is an abundant number, since it is smaller than the sum of its proper divisors (345072820724).

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

313201320220 is a wasteful number, since it uses less digits than its factorization.

313201320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127829 (or 13127827 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 313201320220 its reverse (22023102313), we get a palindrome (335224422533).

The spelling of 313201320220 in words is "three hundred thirteen billion, two hundred one million, three hundred twenty thousand, two hundred twenty".