313230332220 has 288 divisors, whose sum is σ = 1017521035776. Its totient is φ = 71541657600.

The previous prime is 313230332209. The next prime is 313230332227. The reversal of 313230332220 is 22233032313.

It is a super-2 number, since 2×313230332220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230332227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15995035 + ... + 16014605.

It is an arithmetic number, because the mean of its divisors is an integer number (3533059152).

Almost surely, 2^313230332220 is an apocalyptic number.

313230332220 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 313230332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508760517888).

313230332220 is an abundant number, since it is smaller than the sum of its proper divisors (704290703556).

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

313230332220 is a wasteful number, since it uses less digits than its factorization.

313230332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19701 (or 19682 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 313230332220 its reverse (22233032313), we get a palindrome (335463364533).

The spelling of 313230332220 in words is "three hundred thirteen billion, two hundred thirty million, three hundred thirty-two thousand, two hundred twenty".