213324532 has 12 divisors (see below), whose sum is σ = 374707620. Its totient is φ = 106265216.

The previous prime is 213324511. The next prime is 213324557. The reversal of 213324532 is 235423312.

213324532 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50608996 + 162715536 = 7114^2 + 12756^2 .

213324532 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 213324497 and 213324506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98053 + ... + 100204.

It is an arithmetic number, because the mean of its divisors is an integer number (31225635).

Almost surely, 2^213324532 is an apocalyptic number.

It is an amenable number.

213324532 is a deficient number, since it is larger than the sum of its proper divisors (161383088).

213324532 is a wasteful number, since it uses less digits than its factorization.

213324532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198530 (or 198528 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 213324532 is about 14605.6335706466. The cubic root of 213324532 is about 597.5124156077.

Adding to 213324532 its reverse (235423312), we get a palindrome (448747844).

The spelling of 213324532 in words is "two hundred thirteen million, three hundred twenty-four thousand, five hundred thirty-two".