231020241 has 8 divisors (see below), whose sum is σ = 308161440. Its totient is φ = 153946272.

The previous prime is 231020233. The next prime is 231020243. The reversal of 231020241 is 142020132.

231020241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231020241 - 2³ = 231020233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231020241.

It is not an unprimeable number, because it can be changed into a prime (231020243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8151 + ... + 22988.

It is an arithmetic number, because the mean of its divisors is an integer number (38520180).

Almost surely, 2^231020241 is an apocalyptic number.

It is an amenable number.

231020241 is a deficient number, since it is larger than the sum of its proper divisors (77141199).

231020241 is a wasteful number, since it uses less digits than its factorization.

231020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33615.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 231020241 is about 15199.3500189975. The cubic root of 231020241 is about 613.5971647378.

Adding to 231020241 its reverse (142020132), we get a palindrome (373040373).

The spelling of 231020241 in words is "two hundred thirty-one million, twenty thousand, two hundred forty-one".