313123312213 has 16 divisors (see below), whose sum is σ = 332162380800. Its totient is φ = 294347314800.

The previous prime is 313123312211. The next prime is 313123312261. The reversal of 313123312213 is 312213321313.

It is a cyclic number.

It is not a de Polignac number, because 313123312213 - 2¹ = 313123312211 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 (313123312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475238 + ... + 1674088.

It is an arithmetic number, because the mean of its divisors is an integer number (20760148800).

Almost surely, 2^313123312213 is an apocalyptic number.

It is an amenable number.

313123312213 is a deficient number, since it is larger than the sum of its proper divisors (19039068587).

313123312213 is a wasteful number, since it uses less digits than its factorization.

313123312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199512.

The product of its digits is 1944, while the sum is 25.

Adding to 313123312213 its reverse (312213321313), we get a palindrome (625336633526).

The spelling of 313123312213 in words is "three hundred thirteen billion, one hundred twenty-three million, three hundred twelve thousand, two hundred thirteen".