313220330000 has 50 divisors (see below), whose sum is σ = 758337765174. Its totient is φ = 125288128000.

The previous prime is 313220329973. The next prime is 313220330009. The reversal of 313220330000 is 33022313.

It can be written as a sum of positive squares in 5 ways, for example, as 131461355776 + 181758974224 = 362576^2 + 426332^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (313220330009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15651017 + ... + 15671016.

Almost surely, 2^313220330000 is an apocalyptic number.

It is an amenable number.

313220330000 is an abundant number, since it is smaller than the sum of its proper divisors (445117435174).

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

313220330000 is an equidigital number, since it uses as much as digits as its factorization.

313220330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31322061 (or 31322040 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 313220330000 its reverse (33022313), we get a palindrome (313253352313).

The spelling of 313220330000 in words is "three hundred thirteen billion, two hundred twenty million, three hundred thirty thousand".