213311312313 has 16 divisors (see below), whose sum is σ = 314009208576. Its totient is φ = 127721996240.

The previous prime is 213311312231. The next prime is 213311312317. The reversal of 213311312313 is 313213113312.

It is a cyclic number.

It is not a de Polignac number, because 213311312313 - 2¹⁰ = 213311311289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213311312317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38936895 + ... + 38942372.

It is an arithmetic number, because the mean of its divisors is an integer number (19625575536).

Almost surely, 2^213311312313 is an apocalyptic number.

It is an amenable number.

213311312313 is a deficient number, since it is larger than the sum of its proper divisors (100697896263).

213311312313 is a wasteful number, since it uses less digits than its factorization.

213311312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77879364.

The product of its digits is 972, while the sum is 24.

Adding to 213311312313 its reverse (313213113312), we get a palindrome (526524425625).

The spelling of 213311312313 in words is "two hundred thirteen billion, three hundred eleven million, three hundred twelve thousand, three hundred thirteen".