313003111321 has 4 divisors (see below), whose sum is σ = 326611942272. Its totient is φ = 299394280372.

The previous prime is 313003111319. The next prime is 313003111327. The reversal of 313003111321 is 123111300313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313003111321 - 2¹ = 313003111319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313003111327) 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, 6804415441 + ... + 6804415486.

It is an arithmetic number, because the mean of its divisors is an integer number (81652985568).

Almost surely, 2^313003111321 is an apocalyptic number.

It is an amenable number.

313003111321 is a deficient number, since it is larger than the sum of its proper divisors (13608830951).

313003111321 is a wasteful number, since it uses less digits than its factorization.

313003111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608830950.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313003111321 its reverse (123111300313), we get a palindrome (436114411634).

The spelling of 313003111321 in words is "three hundred thirteen billion, three million, one hundred eleven thousand, three hundred twenty-one".