213121320112313 has 8 divisors (see below), whose sum is σ = 213376214399040. Its totient is φ = 212866427913040.

The previous prime is 213121320112289. The next prime is 213121320112333. The reversal of 213121320112313 is 313211023121312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213121320112313 - 2²⁴ = 213121303335097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213121320112333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324958583 + ... + 325613763.

It is an arithmetic number, because the mean of its divisors is an integer number (26672026799880).

Almost surely, 2^{213121320112313} is an apocalyptic number.

It is an amenable number.

213121320112313 is a deficient number, since it is larger than the sum of its proper divisors (254894286727).

213121320112313 is an equidigital number, since it uses as much as digits as its factorization.

213121320112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043727.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 213121320112313 its reverse (313211023121312), we get a palindrome (526332343233625).

The spelling of 213121320112313 in words is "two hundred thirteen trillion, one hundred twenty-one billion, three hundred twenty million, one hundred twelve thousand, three hundred thirteen".