213373313 has 4 divisors (see below), whose sum is σ = 214330368. Its totient is φ = 212416260.

The previous prime is 213373291. The next prime is 213373327. The reversal of 213373313 is 313373312.

It is a happy number.

213373313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213373313 - 2²⁶ = 146264449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213373333) 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, 478193 + ... + 478638.

It is an arithmetic number, because the mean of its divisors is an integer number (53582592).

Almost surely, 2^213373313 is an apocalyptic number.

It is an amenable number.

213373313 is a deficient number, since it is larger than the sum of its proper divisors (957055).

213373313 is an equidigital number, since it uses as much as digits as its factorization.

213373313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957054.

The product of its digits is 3402, while the sum is 26.

The square root of 213373313 is about 14607.3034130191. The cubic root of 213373313 is about 597.5579565987.

Subtracting 213373313 from its reverse (313373312), we obtain a palindrome (99999999).

The spelling of 213373313 in words is "two hundred thirteen million, three hundred seventy-three thousand, three hundred thirteen".