213332303231 has 16 divisors (see below), whose sum is σ = 221156345088. Its totient is φ = 205567795200.

The previous prime is 213332303159. The next prime is 213332303263. The reversal of 213332303231 is 132303233312.

It is a happy number.

It is not a de Polignac number, because 213332303231 - 2¹⁴ = 213332286847 is a prime.

It is a super-2 number, since 2×213332303231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213332303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213332303291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999641 + ... + 40004973.

It is an arithmetic number, because the mean of its divisors is an integer number (13822271568).

Almost surely, 2^213332303231 is an apocalyptic number.

213332303231 is a deficient number, since it is larger than the sum of its proper divisors (7824041857).

213332303231 is a wasteful number, since it uses less digits than its factorization.

213332303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213332303231 its reverse (132303233312), we get a palindrome (345635536543).

The spelling of 213332303231 in words is "two hundred thirteen billion, three hundred thirty-two million, three hundred three thousand, two hundred thirty-one".