213185330694318 has 32 divisors (see below), whose sum is σ = 451456258406400. Its totient is φ = 66880936096640.

The previous prime is 213185330694307. The next prime is 213185330694319. The reversal of 213185330694318 is 813496033581312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213185330694319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2156448 + ... + 20761043.

It is an arithmetic number, because the mean of its divisors is an integer number (14108008075200).

Almost surely, 2^{213185330694318} is an apocalyptic number.

213185330694318 is an abundant number, since it is smaller than the sum of its proper divisors (238270927712082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213185330694318 is a wasteful number, since it uses less digits than its factorization.

213185330694318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23008712.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 213185330694318 in words is "two hundred thirteen trillion, one hundred eighty-five billion, three hundred thirty million, six hundred ninety-four thousand, three hundred eighteen".