231305095 has 16 divisors (see below), whose sum is σ = 323970048. Its totient is φ = 155233440.

The previous prime is 231305057. The next prime is 231305119. The reversal of 231305095 is 590503132.

It is not a de Polignac number, because 231305095 - 2¹⁷ = 231174023 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 68661 + ... + 71950.

It is an arithmetic number, because the mean of its divisors is an integer number (20248128).

Almost surely, 2^231305095 is an apocalyptic number.

231305095 is a deficient number, since it is larger than the sum of its proper divisors (92664953).

231305095 is a wasteful number, since it uses less digits than its factorization.

231305095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140670.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 231305095 is about 15208.7177303019. The cubic root of 231305095 is about 613.8492549396.

The spelling of 231305095 in words is "two hundred thirty-one million, three hundred five thousand, ninety-five".