313000303221 has 8 divisors (see below), whose sum is σ = 463704152960. Its totient is φ = 208666868796.

The previous prime is 313000303157. The next prime is 313000303283. The reversal of 313000303221 is 122303000313.

313000303221 is a `hidden beast` number, since 313 + 0 + 0 + 0 + 30 + 322 + 1 = 666.

It is not a de Polignac number, because 313000303221 - 2⁶ = 313000303157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313000303194 and 313000303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000303921) 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 7 ways as a sum of consecutive naturals, for example, 5796301885 + ... + 5796301938.

It is an arithmetic number, because the mean of its divisors is an integer number (57963019120).

Almost surely, 2^313000303221 is an apocalyptic number.

It is an amenable number.

313000303221 is a deficient number, since it is larger than the sum of its proper divisors (150703849739).

313000303221 is a wasteful number, since it uses less digits than its factorization.

313000303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592603832 (or 11592603826 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 313000303221 its reverse (122303000313), we get a palindrome (435303303534).

The spelling of 313000303221 in words is "three hundred thirteen billion, three hundred three thousand, two hundred twenty-one".