232331323131 has 12 divisors (see below), whose sum is σ = 336003496920. Its totient is φ = 154696560480.

The previous prime is 232331323111. The next prime is 232331323193. The reversal of 232331323131 is 131323133232.

232331323131 is a `hidden beast` number, since 2 + 3 + 2 + 331 + 323 + 1 + 3 + 1 = 666.

232331323131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232331323131 - 2⁵ = 232331323099 is a prime.

It is a super-2 number, since 2×232331323131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232331323095 and 232331323104.

It is not an unprimeable number, because it can be changed into a prime (232331323111) 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 11 ways as a sum of consecutive naturals, for example, 15907986 + ... + 15922583.

It is an arithmetic number, because the mean of its divisors is an integer number (28000291410).

Almost surely, 2^232331323131 is an apocalyptic number.

232331323131 is a deficient number, since it is larger than the sum of its proper divisors (103672173789).

232331323131 is a wasteful number, since it uses less digits than its factorization.

232331323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31831386 (or 31831383 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 232331323131 its reverse (131323133232), we get a palindrome (363654456363).

The spelling of 232331323131 in words is "two hundred thirty-two billion, three hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-one".