231312300132 has 12 divisors (see below), whose sum is σ = 539728700336. Its totient is φ = 77104100040.

The previous prime is 231312300103. The next prime is 231312300139. The reversal of 231312300132 is 231003213132.

231312300132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 231312300099 and 231312300108.

It is not an unprimeable number, because it can be changed into a prime (231312300139) 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 3 ways as a sum of consecutive naturals, for example, 9638012494 + ... + 9638012517.

Almost surely, 2^231312300132 is an apocalyptic number.

It is an amenable number.

231312300132 is an abundant number, since it is smaller than the sum of its proper divisors (308416400204).

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

231312300132 is a wasteful number, since it uses less digits than its factorization.

231312300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19276025018 (or 19276025016 counting only the distinct ones).

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

Adding to 231312300132 its reverse (231003213132), we get a palindrome (462315513264).

The spelling of 231312300132 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred thousand, one hundred thirty-two".