231562241 has 8 divisors (see below), whose sum is σ = 233490600. Its totient is φ = 229639168.

The previous prime is 231562211. The next prime is 231562259. The reversal of 231562241 is 142265132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6682225 + 224880016 = 2585^2 + 14996^2 .

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 231562241 - 2¹⁴ = 231545857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231562241.

It is not an unprimeable number, because it can be changed into a prime (231562211) by changing a digit.

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, 180695 + ... + 181971.

It is an arithmetic number, because the mean of its divisors is an integer number (29186325).

Almost surely, 2^231562241 is an apocalyptic number.

It is an amenable number.

231562241 is a deficient number, since it is larger than the sum of its proper divisors (1928359).

231562241 is a wasteful number, since it uses less digits than its factorization.

231562241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643.

The product of its digits is 2880, while the sum is 26.

The square root of 231562241 is about 15217.1692834114. The cubic root of 231562241 is about 614.0766464175.

The spelling of 231562241 in words is "two hundred thirty-one million, five hundred sixty-two thousand, two hundred forty-one".