231320295 has 48 divisors (see below), whose sum is σ = 419328000. Its totient is φ = 117823680.

The previous prime is 231320273. The next prime is 231320311. The reversal of 231320295 is 592023132.

It is not a de Polignac number, because 231320295 - 2⁹ = 231319783 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 109156 + ... + 111254.

It is an arithmetic number, because the mean of its divisors is an integer number (8736000).

Almost surely, 2^231320295 is an apocalyptic number.

231320295 is a deficient number, since it is larger than the sum of its proper divisors (188007705).

231320295 is a wasteful number, since it uses less digits than its factorization.

231320295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 231320295 is about 15209.2174354896. The cubic root of 231320295 is about 613.8627008235.

The spelling of 231320295 in words is "two hundred thirty-one million, three hundred twenty thousand, two hundred ninety-five".