231301230132 has 36 divisors (see below), whose sum is σ = 627817626240. Its totient is φ = 66086065584.

The previous prime is 231301230131. The next prime is 231301230161. The reversal of 231301230132 is 231032103132.

231301230132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 231301230099 and 231301230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301230131) 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 11 ways as a sum of consecutive naturals, for example, 196684132 + ... + 196685307.

Almost surely, 2^231301230132 is an apocalyptic number.

It is an amenable number.

231301230132 is an abundant number, since it is smaller than the sum of its proper divisors (396516396108).

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

231301230132 is a wasteful number, since it uses less digits than its factorization.

231301230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393369460 (or 393369451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231301230132 its reverse (231032103132), we get a palindrome (462333333264).

The spelling of 231301230132 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, one hundred thirty-two".