213232312135 has 8 divisors (see below), whose sum is σ = 261323004096. Its totient is φ = 166956363360.

The previous prime is 213232312133. The next prime is 213232312147. The reversal of 213232312135 is 531213232312.

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

It is not a de Polignac number, because 213232312135 - 2¹ = 213232312133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232312133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453685536 + ... + 453686005.

It is an arithmetic number, because the mean of its divisors is an integer number (32665375512).

Almost surely, 2^213232312135 is an apocalyptic number.

213232312135 is a deficient number, since it is larger than the sum of its proper divisors (48090691961).

213232312135 is an equidigital number, since it uses as much as digits as its factorization.

213232312135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907371593.

The product of its digits is 6480, while the sum is 28.

Adding to 213232312135 its reverse (531213232312), we get a palindrome (744445544447).

The spelling of 213232312135 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred twelve thousand, one hundred thirty-five".