213321113 has 8 divisors (see below), whose sum is σ = 234312000. Its totient is φ = 193306608.

The previous prime is 213321107. The next prime is 213321127. The reversal of 213321113 is 311123312.

213321113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213321113 - 2⁸ = 213320857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213321091 and 213321100.

It is not an unprimeable number, because it can be changed into a prime (213321313) 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, 243638 + ... + 244511.

It is an arithmetic number, because the mean of its divisors is an integer number (29289000).

Almost surely, 2^213321113 is an apocalyptic number.

213321113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213321113 is a deficient number, since it is larger than the sum of its proper divisors (20990887).

213321113 is a wasteful number, since it uses less digits than its factorization.

213321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488191.

The product of its digits is 108, while the sum is 17.

The square root of 213321113 is about 14605.5165262992. The cubic root of 213321113 is about 597.5092234356.

Adding to 213321113 its reverse (311123312), we get a palindrome (524444425).

The spelling of 213321113 in words is "two hundred thirteen million, three hundred twenty-one thousand, one hundred thirteen".