313001220323 has 4 divisors (see below), whose sum is σ = 341455876728. Its totient is φ = 284546563920.

The previous prime is 313001220293. The next prime is 313001220331. The reversal of 313001220323 is 323022100313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313001220323 - 2²⁰ = 313000171747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313001220295 and 313001220304.

It is not an unprimeable number, because it can be changed into a prime (313031220323) 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 3 ways as a sum of consecutive naturals, for example, 14227328186 + ... + 14227328207.

It is an arithmetic number, because the mean of its divisors is an integer number (85363969182).

Almost surely, 2^313001220323 is an apocalyptic number.

313001220323 is a deficient number, since it is larger than the sum of its proper divisors (28454656405).

313001220323 is a wasteful number, since it uses less digits than its factorization.

313001220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28454656404.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313001220323 its reverse (323022100313), we get a palindrome (636023320636).

The spelling of 313001220323 in words is "three hundred thirteen billion, one million, two hundred twenty thousand, three hundred twenty-three".