213313109 has 8 divisors (see below), whose sum is σ = 224632320. Its totient is φ = 202164336.

The previous prime is 213313099. The next prime is 213313123. The reversal of 213313109 is 901313312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213313109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213316109) 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, 40037 + ... + 45050.

It is an arithmetic number, because the mean of its divisors is an integer number (28079040).

Almost surely, 2^213313109 is an apocalyptic number.

It is an amenable number.

213313109 is a deficient number, since it is larger than the sum of its proper divisors (11319211).

213313109 is a wasteful number, since it uses less digits than its factorization.

213313109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85219.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 213313109 is about 14605.2425176715. The cubic root of 213313109 is about 597.5017503144.

The spelling of 213313109 in words is "two hundred thirteen million, three hundred thirteen thousand, one hundred nine".