213112320313 has 4 divisors (see below), whose sum is σ = 213133349520. Its totient is φ = 213091291108.

The previous prime is 213112320301. The next prime is 213112320361. The reversal of 213112320313 is 313023211312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213112320313 - 2³⁷ = 75673366841 is a prime.

It is a super-2 number, since 2×213112320313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213112320373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10499395 + ... + 10519672.

It is an arithmetic number, because the mean of its divisors is an integer number (53283337380).

Almost surely, 2^213112320313 is an apocalyptic number.

It is an amenable number.

213112320313 is a deficient number, since it is larger than the sum of its proper divisors (21029207).

213112320313 is a wasteful number, since it uses less digits than its factorization.

213112320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029206.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213112320313 its reverse (313023211312), we get a palindrome (526135531625).

The spelling of 213112320313 in words is "two hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, three hundred thirteen".