213403330231 has 12 divisors (see below), whose sum is σ = 264093387312. Its totient is φ = 168846590016.

The previous prime is 213403330213. The next prime is 213403330271. The reversal of 213403330231 is 132033304312.

It is not a de Polignac number, because 213403330231 - 2¹⁵ = 213403297463 is a prime.

It is a super-2 number, since 2×213403330231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213403330196 and 213403330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213403330271) 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 11 ways as a sum of consecutive naturals, for example, 90194646 + ... + 90197011.

It is an arithmetic number, because the mean of its divisors is an integer number (22007782276).

Almost surely, 2^213403330231 is an apocalyptic number.

213403330231 is a deficient number, since it is larger than the sum of its proper divisors (50690057081).

213403330231 is a wasteful number, since it uses less digits than its factorization.

213403330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180391690 (or 180391677 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213403330231 its reverse (132033304312), we get a palindrome (345436634543).

The spelling of 213403330231 in words is "two hundred thirteen billion, four hundred three million, three hundred thirty thousand, two hundred thirty-one".