313003113221 has 8 divisors (see below), whose sum is σ = 313447468704. Its totient is φ = 312558840720.

The previous prime is 313003113217. The next prime is 313003113289. The reversal of 313003113221 is 122311300313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313003113221 - 2² = 313003113217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313003113193 and 313003113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313003103221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14531966 + ... + 14553488.

It is an arithmetic number, because the mean of its divisors is an integer number (39180933588).

Almost surely, 2^313003113221 is an apocalyptic number.

It is an amenable number.

313003113221 is a deficient number, since it is larger than the sum of its proper divisors (444355483).

313003113221 is a wasteful number, since it uses less digits than its factorization.

313003113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41491.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313003113221 its reverse (122311300313), we get a palindrome (435314413534).

The spelling of 313003113221 in words is "three hundred thirteen billion, three million, one hundred thirteen thousand, two hundred twenty-one".