232031144020 has 24 divisors (see below), whose sum is σ = 524747357064. Its totient is φ = 85673037696.

The previous prime is 232031143969. The next prime is 232031144021. The reversal of 232031144020 is 20441130232.

It can be written as a sum of positive squares in 4 ways, for example, as 48274704 + 231982869316 = 6948^2 + 481646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232031143982 and 232031144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031144021) 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, 446213479 + ... + 446213998.

It is an arithmetic number, because the mean of its divisors is an integer number (21864473211).

Almost surely, 2^232031144020 is an apocalyptic number.

232031144020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232031144020 is an abundant number, since it is smaller than the sum of its proper divisors (292716213044).

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

232031144020 is a wasteful number, since it uses less digits than its factorization.

232031144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892427499 (or 892427497 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 232031144020 its reverse (20441130232), we get a palindrome (252472274252).

The spelling of 232031144020 in words is "two hundred thirty-two billion, thirty-one million, one hundred forty-four thousand, twenty".