230881 has 4 divisors (see below), whose sum is σ = 263872. Its totient is φ = 197892.

The previous prime is 230873. The next prime is 230891. The reversal of 230881 is 188032.

230881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230881 - 2³ = 230873 is a prime.

It is a super-2 number, since 2×230881² = 106612072322, which contains 22 as substring.

It is the 481-st Hogben number.

230881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (230861) by changing a digit.

It is a nontrivial repunit in base 480.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16485 + ... + 16498.

It is an arithmetic number, because the mean of its divisors is an integer number (65968).

2²³⁰⁸⁸¹ is an apocalyptic number.

It is an amenable number.

230881 is a deficient number, since it is larger than the sum of its proper divisors (32991).

230881 is an equidigital number, since it uses as much as digits as its factorization.

230881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32990.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 230881 is about 480.5007804364. The cubic root of 230881 is about 61.3473863776.

Subtracting from 230881 its reverse (188032), we obtain a square (42849 = 207²).

It can be divided in two parts, 230 and 881, that added together give a palindrome (1111).

The spelling of 230881 in words is "two hundred thirty thousand, eight hundred eighty-one".