213312542 has 8 divisors (see below), whose sum is σ = 324475632. Its totient is φ = 105154000.

The previous prime is 213312527. The next prime is 213312577. The reversal of 213312542 is 245213312.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 750959 + ... + 751242.

It is an arithmetic number, because the mean of its divisors is an integer number (40559454).

Almost surely, 2^213312542 is an apocalyptic number.

213312542 is a deficient number, since it is larger than the sum of its proper divisors (111163090).

213312542 is a wasteful number, since it uses less digits than its factorization.

213312542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502274.

The product of its digits is 1440, while the sum is 23.

The square root of 213312542 is about 14605.2231068204. The cubic root of 213312542 is about 597.5012209145.

Adding to 213312542 its reverse (245213312), we get a palindrome (458525854).

The spelling of 213312542 in words is "two hundred thirteen million, three hundred twelve thousand, five hundred forty-two".