231301132 has 12 divisors (see below), whose sum is σ = 405926136. Its totient is φ = 115322240.

The previous prime is 231301127. The next prime is 231301139. The reversal of 231301132 is 231103132.

It is not an unprimeable number, because it can be changed into a prime (231301139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80494 + ... + 83317.

It is an arithmetic number, because the mean of its divisors is an integer number (33827178).

Almost surely, 2^231301132 is an apocalyptic number.

It is an amenable number.

231301132 is a deficient number, since it is larger than the sum of its proper divisors (174625004).

231301132 is a wasteful number, since it uses less digits than its factorization.

231301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164168 (or 164166 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 231301132 is about 15208.5874426260. The cubic root of 231301132 is about 613.8457491825.

Adding to 231301132 its reverse (231103132), we get a palindrome (462404264).

The spelling of 231301132 in words is "two hundred thirty-one million, three hundred one thousand, one hundred thirty-two".