313003022220 has 216 divisors, whose sum is σ = 1111234413744. Its totient is φ = 71104303872.

The previous prime is 313003022183. The next prime is 313003022239. The reversal of 313003022220 is 22220300313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 313003022193 and 313003022202.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1328802 + ... + 1546518.

Almost surely, 2^313003022220 is an apocalyptic number.

313003022220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313003022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555617206872).

313003022220 is an abundant number, since it is smaller than the sum of its proper divisors (798231391524).

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

313003022220 is a wasteful number, since it uses less digits than its factorization.

313003022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217909 (or 217897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 313003022220 its reverse (22220300313), we get a palindrome (335223322533).

The spelling of 313003022220 in words is "three hundred thirteen billion, three million, twenty-two thousand, two hundred twenty".