231402044232 has 96 divisors (see below), whose sum is σ = 648336648960. Its totient is φ = 74483568000.

The previous prime is 231402044149. The next prime is 231402044239. The reversal of 231402044232 is 232440204132.

231402044232 is a `hidden beast` number, since 2 + 31 + 4 + 0 + 204 + 423 + 2 = 666.

231402044232 is digitally balanced in base 2, 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 = 231402044196 and 231402044205.

It is not an unprimeable number, because it can be changed into a prime (231402044239) 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 23 ways as a sum of consecutive naturals, for example, 916507 + ... + 1141397.

It is an arithmetic number, because the mean of its divisors is an integer number (6753506760).

Almost surely, 2^231402044232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231402044232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324168324480).

231402044232 is an abundant number, since it is smaller than the sum of its proper divisors (416934604728).

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

231402044232 is a wasteful number, since it uses less digits than its factorization.

231402044232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225395 (or 225388 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 231402044232 its reverse (232440204132), we get a palindrome (463842248364).

The spelling of 231402044232 in words is "two hundred thirty-one billion, four hundred two million, forty-four thousand, two hundred thirty-two".