213016332 has 12 divisors (see below), whose sum is σ = 497038136. Its totient is φ = 71005440.

The previous prime is 213016327. The next prime is 213016337. The reversal of 213016332 is 233610312.

213016332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213016327) and next prime (213016337).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213016299 and 213016308.

It is not an unprimeable number, because it can be changed into a prime (213016337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875669 + ... + 8875692.

Almost surely, 2^213016332 is an apocalyptic number.

It is an amenable number.

213016332 is an abundant number, since it is smaller than the sum of its proper divisors (284021804).

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

213016332 is a wasteful number, since it uses less digits than its factorization.

213016332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17751368 (or 17751366 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 213016332 is about 14595.0790337017. The cubic root of 213016332 is about 597.2245254762.

Adding to 213016332 its reverse (233610312), we get a palindrome (446626644).

The spelling of 213016332 in words is "two hundred thirteen million, sixteen thousand, three hundred thirty-two".