231168272 has 10 divisors (see below), whose sum is σ = 447888558. Its totient is φ = 115584128.

The previous prime is 231168263. The next prime is 231168283. The reversal of 231168272 is 272861132.

It can be written as a sum of positive squares in only one way, i.e., 221533456 + 9634816 = 14884^2 + 3104^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7223993 + ... + 7224024.

Almost surely, 2^231168272 is an apocalyptic number.

It is an amenable number.

231168272 is a deficient number, since it is larger than the sum of its proper divisors (216720286).

231168272 is a wasteful number, since it uses less digits than its factorization.

231168272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14448025 (or 14448019 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 231168272 is about 15204.2188881902. The cubic root of 231168272 is about 613.7281951152.

The spelling of 231168272 in words is "two hundred thirty-one million, one hundred sixty-eight thousand, two hundred seventy-two".