231041983 has 2 divisors, whose sum is σ = 231041984. Its totient is φ = 231041982.

The previous prime is 231041981. The next prime is 231042013. The reversal of 231041983 is 389140132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231041983 - 2¹ = 231041981 is a prime.

Together with 231041981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231041981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115520991 + 115520992.

It is an arithmetic number, because the mean of its divisors is an integer number (115520992).

Almost surely, 2^231041983 is an apocalyptic number.

231041983 is a deficient number, since it is larger than the sum of its proper divisors (1).

231041983 is an equidigital number, since it uses as much as digits as its factorization.

231041983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 231041983 is about 15200.0652301232. The cubic root of 231041983 is about 613.6164132836.

The spelling of 231041983 in words is "two hundred thirty-one million, forty-one thousand, nine hundred eighty-three".