213316046 has 8 divisors (see below), whose sum is σ = 320038320. Its totient is φ = 106636608.

The previous prime is 213316009. The next prime is 213316079. The reversal of 213316046 is 640613312.

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

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 3 ways as a sum of consecutive naturals, for example, 8990 + ... + 22526.

It is an arithmetic number, because the mean of its divisors is an integer number (40004790).

Almost surely, 2^213316046 is an apocalyptic number.

213316046 is a deficient number, since it is larger than the sum of its proper divisors (106722274).

213316046 is a wasteful number, since it uses less digits than its factorization.

213316046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 213316046 is about 14605.3430634135. The cubic root of 213316046 is about 597.5044925346.

Adding to 213316046 its reverse (640613312), we get a palindrome (853929358).

The spelling of 213316046 in words is "two hundred thirteen million, three hundred sixteen thousand, forty-six".