213116 has 6 divisors (see below), whose sum is σ = 372960. Its totient is φ = 106556.

The previous prime is 213097. The next prime is 213119. The reversal of 213116 is 611312.

It is a self number, because there is not a number n which added to its sum of digits gives 213116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213119) by changing a digit.

213116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26636 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (62160).

2²¹³¹¹⁶ is an apocalyptic number.

It is an amenable number.

213116 is a deficient number, since it is larger than the sum of its proper divisors (159844).

213116 is a wasteful number, since it uses less digits than its factorization.

213116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53283 (or 53281 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 213116 is about 461.6448851661. The cubic root of 213116 is about 59.7317655883.

Adding to 213116 its reverse (611312), we get a palindrome (824428).

The spelling of 213116 in words is "two hundred thirteen thousand, one hundred sixteen".