231075345 has 8 divisors (see below), whose sum is σ = 369720576. Its totient is φ = 123240176.

The previous prime is 231075337. The next prime is 231075401. The reversal of 231075345 is 543570132.

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 231075345 - 2³ = 231075337 is a prime.

It is a Curzon number.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7702497 + ... + 7702526.

It is an arithmetic number, because the mean of its divisors is an integer number (46215072).

Almost surely, 2^231075345 is an apocalyptic number.

It is an amenable number.

231075345 is a deficient number, since it is larger than the sum of its proper divisors (138645231).

231075345 is a wasteful number, since it uses less digits than its factorization.

231075345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405031.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 231075345 is about 15201.1626200104. The cubic root of 231075345 is about 613.6459468562.

The spelling of 231075345 in words is "two hundred thirty-one million, seventy-five thousand, three hundred forty-five".