313320213332213 has 4 divisors (see below), whose sum is σ = 313538859679308. Its totient is φ = 313101566985120.

The previous prime is 313320213332207. The next prime is 313320213332221. The reversal of 313320213332213 is 312233312023313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118083365024689 + 195236848307524 = 10866617^2 + 13972718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313320213332213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313320213332213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320213334213) 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, 109323171398 + ... + 109323174263.

It is an arithmetic number, because the mean of its divisors is an integer number (78384714919827).

Almost surely, 2^{313320213332213} is an apocalyptic number.

It is an amenable number.

313320213332213 is a deficient number, since it is larger than the sum of its proper divisors (218646347095).

313320213332213 is a wasteful number, since it uses less digits than its factorization.

313320213332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218646347094.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 313320213332213 its reverse (312233312023313), we get a palindrome (625553525355526).

The spelling of 313320213332213 in words is "three hundred thirteen trillion, three hundred twenty billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred thirteen".