231285541 has 8 divisors (see below), whose sum is σ = 235130400. Its totient is φ = 227452368.

The previous prime is 231285521. The next prime is 231285547. The reversal of 231285541 is 145582132.

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 231285541 - 2¹⁵ = 231252773 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 (231285547) 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, 42810 + ... + 47908.

It is an arithmetic number, because the mean of its divisors is an integer number (29391300).

Almost surely, 2^231285541 is an apocalyptic number.

It is an amenable number.

231285541 is a deficient number, since it is larger than the sum of its proper divisors (3844859).

231285541 is an equidigital number, since it uses as much as digits as its factorization.

231285541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843.

The product of its digits is 9600, while the sum is 31.

The square root of 231285541 is about 15208.0748617305. The cubic root of 231285541 is about 613.8319566514.

The spelling of 231285541 in words is "two hundred thirty-one million, two hundred eighty-five thousand, five hundred forty-one".