231941 has 4 divisors (see below), whose sum is σ = 233772. Its totient is φ = 230112.

The previous prime is 231923. The next prime is 231943. The reversal of 231941 is 149132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 119716 = 335^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 231941 - 2⁶ = 231877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 983.

It is an arithmetic number, because the mean of its divisors is an integer number (58443).

2²³¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

231941 is a deficient number, since it is larger than the sum of its proper divisors (1831).

231941 is a wasteful number, since it uses less digits than its factorization.

231941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its digits is 216, while the sum is 20.

The square root of 231941 is about 481.6025332159. The cubic root of 231941 is about 61.4411272591.

The spelling of 231941 in words is "two hundred thirty-one thousand, nine hundred forty-one".