313052621313 has 4 divisors (see below), whose sum is σ = 417403495088. Its totient is φ = 208701747540.

The previous prime is 313052621303. The next prime is 313052621339. The reversal of 313052621313 is 313126250313.

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 not a de Polignac number, because 313052621313 - 2⁵ = 313052621281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313052621303) 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, 52175436883 + ... + 52175436888.

It is an arithmetic number, because the mean of its divisors is an integer number (104350873772).

Almost surely, 2^313052621313 is an apocalyptic number.

It is an amenable number.

313052621313 is a deficient number, since it is larger than the sum of its proper divisors (104350873775).

313052621313 is a wasteful number, since it uses less digits than its factorization.

313052621313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104350873774.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 313052621313 its reverse (313126250313), we get a palindrome (626178871626).

The spelling of 313052621313 in words is "three hundred thirteen billion, fifty-two million, six hundred twenty-one thousand, three hundred thirteen".