231001132 has 12 divisors (see below), whose sum is σ = 404364520. Its totient is φ = 115468416.

The previous prime is 231001097. The next prime is 231001139. The reversal of 231001132 is 231100132.

231001132 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

231001132 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (231001139) 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, 16348 + ... + 27004.

Almost surely, 2^231001132 is an apocalyptic number.

It is an amenable number.

231001132 is a deficient number, since it is larger than the sum of its proper divisors (173363388).

231001132 is a wasteful number, since it uses less digits than its factorization.

231001132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080 (or 16078 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231001132 is about 15198.7213935910. The cubic root of 231001132 is about 613.5802462325.

Adding to 231001132 its reverse (231100132), we get a palindrome (462101264).

The spelling of 231001132 in words is "two hundred thirty-one million, one thousand, one hundred thirty-two".