313301304004240 has 20 divisors (see below), whose sum is σ = 728425531810044. Its totient is φ = 125320521601664.

The previous prime is 313301304004177. The next prime is 313301304004289. The reversal of 313301304004240 is 42400403103313.

It can be written as a sum of positive squares in 2 ways, for example, as 192312215758224 + 120989088246016 = 13867668^2 + 10999504^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×313301304004240² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313301304004199 and 313301304004208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958133149947 + ... + 1958133150106.

Almost surely, 2^{313301304004240} is an apocalyptic number.

It is an amenable number.

313301304004240 is an abundant number, since it is smaller than the sum of its proper divisors (415124227805804).

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

313301304004240 is a wasteful number, since it uses less digits than its factorization.

313301304004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916266300066 (or 3916266300060 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 313301304004240 its reverse (42400403103313), we get a palindrome (355701707107553).

The spelling of 313301304004240 in words is "three hundred thirteen trillion, three hundred one billion, three hundred four million, four thousand, two hundred forty".