231441020 has 12 divisors (see below), whose sum is σ = 486026184. Its totient is φ = 92576400.

The previous prime is 231441017. The next prime is 231441037. The reversal of 231441020 is 20144132.

It is a self number, because there is not a number n which added to its sum of digits gives 231441020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5786006 + ... + 5786045.

It is an arithmetic number, because the mean of its divisors is an integer number (40502182).

Almost surely, 2^231441020 is an apocalyptic number.

231441020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231441020 is an abundant number, since it is smaller than the sum of its proper divisors (254585164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231441020 is a wasteful number, since it uses less digits than its factorization.

231441020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572060 (or 11572058 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231441020 is about 15213.1857281767. The cubic root of 231441020 is about 613.9694729595.

Adding to 231441020 its reverse (20144132), we get a palindrome (251585152).

It can be divided in two parts, 2314 and 41020, that added together give a palindrome (43334).

The spelling of 231441020 in words is "two hundred thirty-one million, four hundred forty-one thousand, twenty".