231678841 has 9 divisors (see below), whose sum is σ = 239881989. Its totient is φ = 223748700.

The previous prime is 231678833. The next prime is 231678857. The reversal of 231678841 is 148876132.

The square root of 231678841 is 15221.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 231678841 - 2³ = 231678833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231678794 and 231678803.

It is not an unprimeable number, because it can be changed into a prime (231678341) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 471606 + ... + 472096.

Almost surely, 2^231678841 is an apocalyptic number.

231678841 is the 15221-st square number.

231678841 is the 7611-st centered octagonal number.

It is an amenable number.

231678841 is a deficient number, since it is larger than the sum of its proper divisors (8203148).

231678841 is an frugal number, since it uses more digits than its factorization.

231678841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 522 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The cubic root of 231678841 is about 614.1796990886.

The spelling of 231678841 in words is "two hundred thirty-one million, six hundred seventy-eight thousand, eight hundred forty-one".