313313111213 has 2 divisors, whose sum is σ = 313313111214. Its totient is φ = 313313111212.

The previous prime is 313313111197. The next prime is 313313111233. The reversal of 313313111213 is 312111313313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171344667844 + 141968443369 = 413938^2 + 376787^2 .

It is a cyclic number.

It is not a de Polignac number, because 313313111213 - 2⁴ = 313313111197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313313111233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156656555606 + 156656555607.

It is an arithmetic number, because the mean of its divisors is an integer number (156656555607).

Almost surely, 2^313313111213 is an apocalyptic number.

It is an amenable number.

313313111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

313313111213 is an equidigital number, since it uses as much as digits as its factorization.

313313111213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

Adding to 313313111213 its reverse (312111313313), we get a palindrome (625424424526).

The spelling of 313313111213 in words is "three hundred thirteen billion, three hundred thirteen million, one hundred eleven thousand, two hundred thirteen".