213313310121 has 8 divisors (see below), whose sum is σ = 284456467264. Its totient is φ = 142189513200.

The previous prime is 213313310117. The next prime is 213313310143. The reversal of 213313310121 is 121013313312.

It is a happy number.

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

It is not a de Polignac number, because 213313310121 - 2² = 213313310117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213313310191) 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, 4814326 + ... + 4858431.

It is an arithmetic number, because the mean of its divisors is an integer number (35557058408).

Almost surely, 2^213313310121 is an apocalyptic number.

It is an amenable number.

213313310121 is a deficient number, since it is larger than the sum of its proper divisors (71143157143).

213313310121 is an equidigital number, since it uses as much as digits as its factorization.

213313310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680111.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213313310121 its reverse (121013313312), we get a palindrome (334326623433).

The spelling of 213313310121 in words is "two hundred thirteen billion, three hundred thirteen million, three hundred ten thousand, one hundred twenty-one".