231032203331232 has 48 divisors (see below), whose sum is σ = 606468347144352. Its totient is φ = 77009615281920.

The previous prime is 231032203331231. The next prime is 231032203331243. The reversal of 231032203331232 is 232133302230132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 231032203331232.

It is not an unprimeable number, because it can be changed into a prime (231032203331231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833519 + ... + 24071342.

It is an arithmetic number, because the mean of its divisors is an integer number (12634757232174).

Almost surely, 2^{231032203331232} is an apocalyptic number.

It is an amenable number.

231032203331232 is an abundant number, since it is smaller than the sum of its proper divisors (375436143813120).

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

231032203331232 is a wasteful number, since it uses less digits than its factorization.

231032203331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34973821 (or 34973813 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 231032203331232 its reverse (232133302230132), we get a palindrome (463165505561364).

The spelling of 231032203331232 in words is "two hundred thirty-one trillion, thirty-two billion, two hundred three million, three hundred thirty-one thousand, two hundred thirty-two".