213351 has 12 divisors (see below), whose sum is σ = 301752. Its totient is φ = 134064.

The previous prime is 213349. The next prime is 213359. The reversal of 213351 is 153312.

It is a happy number.

213351 is nontrivially palindromic in base 14.

213351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213351 - 2¹ = 213349 is a prime.

213351 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 213351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (25146).

2²¹³³⁵¹ is an apocalyptic number.

213351 is a deficient number, since it is larger than the sum of its proper divisors (88401).

213351 is a wasteful number, since it uses less digits than its factorization.

213351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 219 counting only the distinct ones).

The product of its digits is 90, while the sum is 15.

The square root of 213351 is about 461.8993396834. The cubic root of 213351 is about 59.7537126478.

Adding to 213351 its reverse (153312), we get a palindrome (366663).

The spelling of 213351 in words is "two hundred thirteen thousand, three hundred fifty-one".