231016075 has 6 divisors (see below), whose sum is σ = 286459964. Its totient is φ = 184812840.

The previous prime is 231016057. The next prime is 231016091. The reversal of 231016075 is 570610132.

It is not a de Polignac number, because 231016075 - 2⁷ = 231015947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9240643 = 231016075 / (2 + 3 + 1 + 0 + 1 + 6 + 0 + 7 + 5).

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 4620297 + ... + 4620346.

Almost surely, 2^231016075 is an apocalyptic number.

231016075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231016075 is a deficient number, since it is larger than the sum of its proper divisors (55443889).

231016075 is an equidigital number, since it uses as much as digits as its factorization.

231016075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240653 (or 9240648 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 231016075 is about 15199.2129730457. The cubic root of 231016075 is about 613.5934763725.

The spelling of 231016075 in words is "two hundred thirty-one million, sixteen thousand, seventy-five".