231122585 has 8 divisors (see below), whose sum is σ = 277441416. Its totient is φ = 184835200.

The previous prime is 231122539. The next prime is 231122603. The reversal of 231122585 is 585221132.

It can be written as a sum of positive squares in 4 ways, for example, as 53993104 + 177129481 = 7348^2 + 13309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231122585 - 2²⁶ = 164013721 is a prime.

It is a Duffinian number.

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, 13685 + ... + 25485.

It is an arithmetic number, because the mean of its divisors is an integer number (34680177).

Almost surely, 2^231122585 is an apocalyptic number.

It is an amenable number.

231122585 is a deficient number, since it is larger than the sum of its proper divisors (46318831).

231122585 is a wasteful number, since it uses less digits than its factorization.

231122585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723.

The product of its digits is 4800, while the sum is 29.

The square root of 231122585 is about 15202.7163691230. The cubic root of 231122585 is about 613.6877610089.

The spelling of 231122585 in words is "two hundred thirty-one million, one hundred twenty-two thousand, five hundred eighty-five".