232131113 has 4 divisors (see below), whose sum is σ = 244348560. Its totient is φ = 219913668.

The previous prime is 232131101. The next prime is 232131161. The reversal of 232131113 is 311131232.

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 a de Polignac number, because none of the positive numbers 2^k-232131113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232131091 and 232131100.

It is not an unprimeable number, because it can be changed into a prime (232131173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108695 + ... + 6108732.

It is an arithmetic number, because the mean of its divisors is an integer number (61087140).

Almost surely, 2^232131113 is an apocalyptic number.

It is an amenable number.

232131113 is a deficient number, since it is larger than the sum of its proper divisors (12217447).

232131113 is a wasteful number, since it uses less digits than its factorization.

232131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12217446.

The product of its digits is 108, while the sum is 17.

The square root of 232131113 is about 15235.8495988901. The cubic root of 232131113 is about 614.5790964062.

Adding to 232131113 its reverse (311131232), we get a palindrome (543262345).

The spelling of 232131113 in words is "two hundred thirty-two million, one hundred thirty-one thousand, one hundred thirteen".