313304513220 has 48 divisors (see below), whose sum is σ = 974725153920. Its totient is φ = 83547870048.

The previous prime is 313304513219. The next prime is 313304513227. The reversal of 313304513220 is 22315403313.

313304513220 is a `hidden beast` number, since 3 + 1 + 330 + 4 + 5 + 1 + 322 + 0 = 666.

313304513220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (313304513227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290096232 + ... + 290097311.

It is an arithmetic number, because the mean of its divisors is an integer number (20306774040).

Almost surely, 2^313304513220 is an apocalyptic number.

313304513220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313304513220 is an abundant number, since it is smaller than the sum of its proper divisors (661420640700).

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

313304513220 is a wasteful number, since it uses less digits than its factorization.

313304513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580193561 (or 580193553 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 313304513220 its reverse (22315403313), we get a palindrome (335619916533).

The spelling of 313304513220 in words is "three hundred thirteen billion, three hundred four million, five hundred thirteen thousand, two hundred twenty".