213223323322313 has 4 divisors (see below), whose sum is σ = 213223995587988. Its totient is φ = 213222651056640.

The previous prime is 213223323322231. The next prime is 213223323322319. The reversal of 213223323322313 is 313223323322312.

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 192092725501504 + 21130597820809 = 13859752^2 + 4596803^2 .

It is a cyclic number.

It is not a de Polignac number, because 213223323322313 - 2¹⁴ = 213223323305929 is a prime.

It is a super-2 number, since 2×213223323322313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213223323322319) 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, 335656856 + ... + 336291497.

It is an arithmetic number, because the mean of its divisors is an integer number (53305998896997).

Almost surely, 2^{213223323322313} is an apocalyptic number.

It is an amenable number.

213223323322313 is a deficient number, since it is larger than the sum of its proper divisors (672265675).

213223323322313 is an equidigital number, since it uses as much as digits as its factorization.

213223323322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672265674.

The product of its digits is 139968, while the sum is 35.

Adding to 213223323322313 its reverse (313223323322312), we get a palindrome (526446646644625).

Subtracting 213223323322313 from its reverse (313223323322312), we obtain a palindrome (99999999999999).

The spelling of 213223323322313 in words is "two hundred thirteen trillion, two hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-two thousand, three hundred thirteen".