313321002131303 has 4 divisors (see below), whose sum is σ = 313321058605968. Its totient is φ = 313320945656640.

The previous prime is 313321002131261. The next prime is 313321002131321. The reversal of 313321002131303 is 303131200123313.

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 313321002131303 - 2¹⁴ = 313321002114919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321002137303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18882218 + ... + 31355703.

It is an arithmetic number, because the mean of its divisors is an integer number (78330264651492).

Almost surely, 2^{313321002131303} is an apocalyptic number.

313321002131303 is a deficient number, since it is larger than the sum of its proper divisors (56474665).

313321002131303 is an equidigital number, since it uses as much as digits as its factorization.

313321002131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56474664.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 313321002131303 its reverse (303131200123313), we get a palindrome (616452202254616).

The spelling of 313321002131303 in words is "three hundred thirteen trillion, three hundred twenty-one billion, two million, one hundred thirty-one thousand, three hundred three".