213542332 has 12 divisors (see below), whose sum is σ = 373879800. Its totient is φ = 106719536.

The previous prime is 213542279. The next prime is 213542363. The reversal of 213542332 is 233245312.

213542332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213542297 and 213542306.

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, 2707 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (31156650).

Almost surely, 2^213542332 is an apocalyptic number.

It is an amenable number.

213542332 is a deficient number, since it is larger than the sum of its proper divisors (160337468).

213542332 is a wasteful number, since it uses less digits than its factorization.

213542332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25820 (or 25818 counting only the distinct ones).

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

The square root of 213542332 is about 14613.0876956241. The cubic root of 213542332 is about 597.7156957752.

Adding to 213542332 its reverse (233245312), we get a palindrome (446787644).

The spelling of 213542332 in words is "two hundred thirteen million, five hundred forty-two thousand, three hundred thirty-two".