213313086 has 48 divisors (see below), whose sum is σ = 551176704. Its totient is φ = 58295952.

The previous prime is 213313073. The next prime is 213313091. The reversal of 213313086 is 680313312.

It is a happy number.

213313086 is a `hidden beast` number, since 21 + 331 + 308 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 33906 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (11482848).

Almost surely, 2^213313086 is an apocalyptic number.

213313086 is an abundant number, since it is smaller than the sum of its proper divisors (337863618).

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

213313086 is a wasteful number, since it uses less digits than its factorization.

213313086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73645 (or 73642 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 213313086 is about 14605.2417302830. The cubic root of 213313086 is about 597.5017288396.

Adding to 213313086 its reverse (680313312), we get a palindrome (893626398).

The spelling of 213313086 in words is "two hundred thirteen million, three hundred thirteen thousand, eighty-six".