232213221131 has 4 divisors (see below), whose sum is σ = 245872822392. Its totient is φ = 218553619872.

The previous prime is 232213221109. The next prime is 232213221169. The reversal of 232213221131 is 131122312232.

232213221131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232213221131 is a prime.

It is a super-2 number, since 2×232213221131² (a number of 24 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 = 232213221097 and 232213221106.

It is not an unprimeable number, because it can be changed into a prime (232213221181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6829800605 + ... + 6829800638.

It is an arithmetic number, because the mean of its divisors is an integer number (61468205598).

Almost surely, 2^232213221131 is an apocalyptic number.

232213221131 is a deficient number, since it is larger than the sum of its proper divisors (13659601261).

232213221131 is a wasteful number, since it uses less digits than its factorization.

232213221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659601260.

The product of its digits is 864, while the sum is 23.

Adding to 232213221131 its reverse (131122312232), we get a palindrome (363335533363).

The spelling of 232213221131 in words is "two hundred thirty-two billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-one".