231272 has 8 divisors (see below), whose sum is σ = 433650. Its totient is φ = 115632.

The previous prime is 231271. The next prime is 231277. The reversal of 231272 is 272132.

231272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 119716 + 111556 = 346^2 + 334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 231272.

It is not an unprimeable number, because it can be changed into a prime (231271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14447 + ... + 14462.

2²³¹²⁷² is an apocalyptic number.

It is an amenable number.

231272 is a deficient number, since it is larger than the sum of its proper divisors (202378).

231272 is a wasteful number, since it uses less digits than its factorization.

231272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915 (or 28911 counting only the distinct ones).

The product of its digits is 168, while the sum is 17.

The square root of 231272 is about 480.9074755085. The cubic root of 231272 is about 61.3819977144.

It can be divided in two parts, 2312 and 72, that multiplied together give a square (166464 = 408²).

The spelling of 231272 in words is "two hundred thirty-one thousand, two hundred seventy-two".