231144875 has 32 divisors (see below), whose sum is σ = 313901952. Its totient is φ = 168912000.

The previous prime is 231144857. The next prime is 231144923. The reversal of 231144875 is 578441132.

It is not a de Polignac number, because 231144875 - 2⁶ = 231144811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166685 + ... + 168065.

It is an arithmetic number, because the mean of its divisors is an integer number (9809436).

Almost surely, 2^231144875 is an apocalyptic number.

231144875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231144875 is a deficient number, since it is larger than the sum of its proper divisors (82757077).

231144875 is a wasteful number, since it uses less digits than its factorization.

231144875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1502 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 231144875 is about 15203.4494441229. The cubic root of 231144875 is about 613.7074888667.

The spelling of 231144875 in words is "two hundred thirty-one million, one hundred forty-four thousand, eight hundred seventy-five".