213322232231 has 8 divisors (see below), whose sum is σ = 213496990080. Its totient is φ = 213147529848.

The previous prime is 213322232177. The next prime is 213322232237. The reversal of 213322232231 is 132232223312.

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

It is a cyclic number.

It is not a de Polignac number, because 213322232231 - 2²² = 213318037927 is a prime.

It is a super-2 number, since 2×213322232231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213322232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213322232237) 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, 11089940 + ... + 11109158.

It is an arithmetic number, because the mean of its divisors is an integer number (26687123760).

Almost surely, 2^213322232231 is an apocalyptic number.

213322232231 is a deficient number, since it is larger than the sum of its proper divisors (174757849).

213322232231 is a wasteful number, since it uses less digits than its factorization.

213322232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27733.

The product of its digits is 5184, while the sum is 26.

Adding to 213322232231 its reverse (132232223312), we get a palindrome (345554455543).

The spelling of 213322232231 in words is "two hundred thirteen billion, three hundred twenty-two million, two hundred thirty-two thousand, two hundred thirty-one".