232131322309 has 4 divisors (see below), whose sum is σ = 232292638080. Its totient is φ = 231970006540.

The previous prime is 232131322219. The next prime is 232131322327. The reversal of 232131322309 is 903223131232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232131322309 - 2¹¹ = 232131320261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131323309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80655727 + ... + 80658604.

It is an arithmetic number, because the mean of its divisors is an integer number (58073159520).

Almost surely, 2^232131322309 is an apocalyptic number.

It is an amenable number.

232131322309 is a deficient number, since it is larger than the sum of its proper divisors (161315771).

232131322309 is a wasteful number, since it uses less digits than its factorization.

232131322309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161315770.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 232131322309 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred nine".