213667317 has 12 divisors (see below), whose sum is σ = 309333024. Its totient is φ = 142120680.

The previous prime is 213667303. The next prime is 213667319. The reversal of 213667317 is 713766312.

It is not a de Polignac number, because 213667317 - 2⁶ = 213667253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213667319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22809 + ... + 30782.

It is an arithmetic number, because the mean of its divisors is an integer number (25777752).

Almost surely, 2^213667317 is an apocalyptic number.

It is an amenable number.

213667317 is a deficient number, since it is larger than the sum of its proper divisors (95665707).

213667317 is a wasteful number, since it uses less digits than its factorization.

213667317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54040 (or 54037 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 213667317 is about 14617.3635447710. The cubic root of 213667317 is about 597.8322861258.

The spelling of 213667317 in words is "two hundred thirteen million, six hundred sixty-seven thousand, three hundred seventeen".