313304321020 has 12 divisors (see below), whose sum is σ = 657939074184. Its totient is φ = 125321728400.

The previous prime is 313304321009. The next prime is 313304321041. The reversal of 313304321020 is 20123403313.

It is a junction number, because it is equal to n+sod(n) for n = 313304320982 and 313304321000.

It is a congruent number.

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, 7832608006 + ... + 7832608045.

It is an arithmetic number, because the mean of its divisors is an integer number (54828256182).

Almost surely, 2^313304321020 is an apocalyptic number.

It is an amenable number.

313304321020 is an abundant number, since it is smaller than the sum of its proper divisors (344634753164).

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

313304321020 is a wasteful number, since it uses less digits than its factorization.

313304321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665216060 (or 15665216058 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313304321020 its reverse (20123403313), we get a palindrome (333427724333).

The spelling of 313304321020 in words is "three hundred thirteen billion, three hundred four million, three hundred twenty-one thousand, twenty".