233131234020 has 48 divisors (see below), whose sum is σ = 653822111040. Its totient is φ = 62067885696.

The previous prime is 233131234009. The next prime is 233131234027. The reversal of 233131234020 is 20432131332.

233131234020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (233131234027) 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 15 ways as a sum of consecutive naturals, for example, 3101407 + ... + 3175686.

It is an arithmetic number, because the mean of its divisors is an integer number (13621293980).

Almost surely, 2^233131234020 is an apocalyptic number.

233131234020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233131234020 is an abundant number, since it is smaller than the sum of its proper divisors (420690877020).

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

233131234020 is a wasteful number, since it uses less digits than its factorization.

233131234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277724 (or 6277722 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 233131234020 its reverse (20432131332), we get a palindrome (253563365352).

The spelling of 233131234020 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty-four thousand, twenty".