213116326 has 16 divisors (see below), whose sum is σ = 322801200. Its totient is φ = 105521248.

The previous prime is 213116303. The next prime is 213116333. The reversal of 213116326 is 623611312.

It is a self number, because there is not a number n which added to its sum of digits gives 213116326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95196 + ... + 97408.

It is an arithmetic number, because the mean of its divisors is an integer number (20175075).

Almost surely, 2^213116326 is an apocalyptic number.

213116326 is a deficient number, since it is larger than the sum of its proper divisors (109684874).

213116326 is a wasteful number, since it uses less digits than its factorization.

213116326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663.

The product of its digits is 1296, while the sum is 25.

The square root of 213116326 is about 14598.5042384485. The cubic root of 213116326 is about 597.3179604516.

Adding to 213116326 its reverse (623611312), we get a palindrome (836727638).

The spelling of 213116326 in words is "two hundred thirteen million, one hundred sixteen thousand, three hundred twenty-six".