232130212331 has 4 divisors (see below), whose sum is σ = 236510027712. Its totient is φ = 227750396952.

The previous prime is 232130212309. The next prime is 232130212373. The reversal of 232130212331 is 133212031232.

232130212331 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-232130212331 is a prime.

It is a super-2 number, since 2×232130212331² (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 = 232130212297 and 232130212306.

It is not an unprimeable number, because it can be changed into a prime (232130212231) 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, 2189907611 + ... + 2189907716.

It is an arithmetic number, because the mean of its divisors is an integer number (59127506928).

Almost surely, 2^232130212331 is an apocalyptic number.

232130212331 is a deficient number, since it is larger than the sum of its proper divisors (4379815381).

232130212331 is an equidigital number, since it uses as much as digits as its factorization.

232130212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379815380.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232130212331 its reverse (133212031232), we get a palindrome (365342243563).

The spelling of 232130212331 in words is "two hundred thirty-two billion, one hundred thirty million, two hundred twelve thousand, three hundred thirty-one".