213316610 has 64 divisors (see below), whose sum is σ = 442108800. Its totient is φ = 73446912.

The previous prime is 213316603. The next prime is 213316637. The reversal of 213316610 is 16613312.

It is a happy number.

It is a super-2 number, since 2×213316610² = 91007952203784200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164846 + ... + 166134.

It is an arithmetic number, because the mean of its divisors is an integer number (6907950).

Almost surely, 2^213316610 is an apocalyptic number.

213316610 is an abundant number, since it is smaller than the sum of its proper divisors (228792190).

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

213316610 is a wasteful number, since it uses less digits than its factorization.

213316610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 213316610 is about 14605.3623714032. The cubic root of 213316610 is about 597.5050191277.

Adding to 213316610 its reverse (16613312), we get a palindrome (229929922).

The spelling of 213316610 in words is "two hundred thirteen million, three hundred sixteen thousand, six hundred ten".