213318394007 has 8 divisors (see below), whose sum is σ = 217522025760. Its totient is φ = 209155773600.

The previous prime is 213318393989. The next prime is 213318394031. The reversal of 213318394007 is 700493813312.

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

It is a cyclic number.

It is not a de Polignac number, because 213318394007 - 2⁸ = 213318393751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213318394067) 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 7 ways as a sum of consecutive naturals, for example, 10242332 + ... + 10263137.

It is an arithmetic number, because the mean of its divisors is an integer number (27190253220).

Almost surely, 2^213318394007 is an apocalyptic number.

213318394007 is a deficient number, since it is larger than the sum of its proper divisors (4203631753).

213318394007 is a wasteful number, since it uses less digits than its factorization.

213318394007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505673.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 213318394007 in words is "two hundred thirteen billion, three hundred eighteen million, three hundred ninety-four thousand, seven".