231411457 has 8 divisors (see below), whose sum is σ = 234030600. Its totient is φ = 228802560.

The previous prime is 231411451. The next prime is 231411493. The reversal of 231411457 is 754114132.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 231070401 = 584^2 + 15201^2 .

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 231411457 - 2³ = 231411449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231411451) 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, 48457 + ... + 53017.

It is an arithmetic number, because the mean of its divisors is an integer number (29253825).

Almost surely, 2^231411457 is an apocalyptic number.

It is an amenable number.

231411457 is a deficient number, since it is larger than the sum of its proper divisors (2619143).

231411457 is a wasteful number, since it uses less digits than its factorization.

231411457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its digits is 3360, while the sum is 28.

The square root of 231411457 is about 15212.2140729087. The cubic root of 231411457 is about 613.9433301544.

Adding to 231411457 its reverse (754114132), we get a palindrome (985525589).

The spelling of 231411457 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred fifty-seven".