231132115 has 8 divisors (see below), whose sum is σ = 277868880. Its totient is φ = 184565472.

The previous prime is 231132101. The next prime is 231132127. The reversal of 231132115 is 511231132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231132115 - 2⁷ = 231131987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231132092 and 231132101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39520 + ... + 44989.

It is an arithmetic number, because the mean of its divisors is an integer number (34733610).

Almost surely, 2^231132115 is an apocalyptic number.

231132115 is a deficient number, since it is larger than the sum of its proper divisors (46736765).

231132115 is an equidigital number, since it uses as much as digits as its factorization.

231132115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85061.

The product of its digits is 180, while the sum is 19.

The square root of 231132115 is about 15203.0297967214. The cubic root of 231132115 is about 613.6961957306.

Adding to 231132115 its reverse (511231132), we get a palindrome (742363247).

The spelling of 231132115 in words is "two hundred thirty-one million, one hundred thirty-two thousand, one hundred fifteen".