231341020 has 24 divisors (see below), whose sum is σ = 498947904. Its totient is φ = 90035136.

The previous prime is 231340999. The next prime is 231341027. The reversal of 231341020 is 20143132.

It is a happy number.

231341020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231340985 and 231341003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231341027) 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 in 7 ways as a sum of consecutive naturals, for example, 155572 + ... + 157051.

It is an arithmetic number, because the mean of its divisors is an integer number (20789496).

Almost surely, 2^231341020 is an apocalyptic number.

231341020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231341020 is an abundant number, since it is smaller than the sum of its proper divisors (267606884).

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

231341020 is a wasteful number, since it uses less digits than its factorization.

231341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312669 (or 312667 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231341020 is about 15209.8987504848. The cubic root of 231341020 is about 613.8810331601.

Adding to 231341020 its reverse (20143132), we get a palindrome (251484152).

The spelling of 231341020 in words is "two hundred thirty-one million, three hundred forty-one thousand, twenty".