313121030200 has 96 divisors (see below), whose sum is σ = 795365678160. Its totient is φ = 113693465600.

The previous prime is 313121030179. The next prime is 313121030203. The reversal of 313121030200 is 2030121313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313121030203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1384284 + ... + 1594516.

Almost surely, 2^313121030200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313121030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397682839080).

313121030200 is an abundant number, since it is smaller than the sum of its proper divisors (482244647960).

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

313121030200 is a wasteful number, since it uses less digits than its factorization.

313121030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210937 (or 210928 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313121030200 its reverse (2030121313), we get a palindrome (315151151513).

The spelling of 313121030200 in words is "three hundred thirteen billion, one hundred twenty-one million, thirty thousand, two hundred".