213201332 has 6 divisors (see below), whose sum is σ = 373102338. Its totient is φ = 106600664.

The previous prime is 213201293. The next prime is 213201341. The reversal of 213201332 is 233102312.

213201332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152423716 + 60777616 = 12346^2 + 7796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213201332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26650163 + ... + 26650170.

It is an arithmetic number, because the mean of its divisors is an integer number (62183723).

Almost surely, 2^213201332 is an apocalyptic number.

It is an amenable number.

213201332 is a deficient number, since it is larger than the sum of its proper divisors (159901006).

213201332 is a wasteful number, since it uses less digits than its factorization.

213201332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53300337 (or 53300335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213201332 is about 14601.4154108429. The cubic root of 213201332 is about 597.3973675717.

Adding to 213201332 its reverse (233102312), we get a palindrome (446303644).

The spelling of 213201332 in words is "two hundred thirteen million, two hundred one thousand, three hundred thirty-two".