313122311003 has 4 divisors (see below), whose sum is σ = 317085884640. Its totient is φ = 309158737368.

The previous prime is 313122310931. The next prime is 313122311053. The reversal of 313122311003 is 300113221313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300113221313 = 1051 ⋅285550163.

It is a cyclic number.

It is not a de Polignac number, because 313122311003 - 2⁸ = 313122310747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313122311053) 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, 1981786700 + ... + 1981786857.

It is an arithmetic number, because the mean of its divisors is an integer number (79271471160).

Almost surely, 2^313122311003 is an apocalyptic number.

313122311003 is a deficient number, since it is larger than the sum of its proper divisors (3963573637).

313122311003 is an equidigital number, since it uses as much as digits as its factorization.

313122311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963573636.

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

Adding to 313122311003 its reverse (300113221313), we get a palindrome (613235532316).

The spelling of 313122311003 in words is "three hundred thirteen billion, one hundred twenty-two million, three hundred eleven thousand, three".