231253105 has 8 divisors (see below), whose sum is σ = 287073000. Its totient is φ = 178622976.

The previous prime is 231253093. The next prime is 231253111. The reversal of 231253105 is 501352132.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 231252849 = 16^2 + 15207^2 .

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 231253105 - 2⁵ = 231253073 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 797280 + ... + 797569.

It is an arithmetic number, because the mean of its divisors is an integer number (35884125).

Almost surely, 2^231253105 is an apocalyptic number.

It is an amenable number.

231253105 is a deficient number, since it is larger than the sum of its proper divisors (55819895).

231253105 is a wasteful number, since it uses less digits than its factorization.

231253105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594883.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 231253105 is about 15207.0084171740. The cubic root of 231253105 is about 613.8032602558.

The spelling of 231253105 in words is "two hundred thirty-one million, two hundred fifty-three thousand, one hundred five".