213113343311312 has 10 divisors (see below), whose sum is σ = 412907102665698. Its totient is φ = 106556671655648.

The previous prime is 213113343311311. The next prime is 213113343311317.

213113343311312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 108232312882576 + 104881030428736 = 10403476^2 + 10241144^2 .

It is a super-2 number, since 2×213113343311312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113343311311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659791978463 + ... + 6659791978494.

Almost surely, 2^{213113343311312} is an apocalyptic number.

It is an amenable number.

213113343311312 is a deficient number, since it is larger than the sum of its proper divisors (199793759354386).

213113343311312 is a wasteful number, since it uses less digits than its factorization.

213113343311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13319583956965 (or 13319583956959 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The spelling of 213113343311312 in words is "two hundred thirteen trillion, one hundred thirteen billion, three hundred forty-three million, three hundred eleven thousand, three hundred twelve".