231301311132 has 12 divisors (see below), whose sum is σ = 539703059336. Its totient is φ = 77100437040.

The previous prime is 231301311121. The next prime is 231301311151. The reversal of 231301311132 is 231113103132.

It is a happy number.

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 = 231301311099 and 231301311108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637554619 + ... + 9637554642.

Almost surely, 2^231301311132 is an apocalyptic number.

It is an amenable number.

231301311132 is an abundant number, since it is smaller than the sum of its proper divisors (308401748204).

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

231301311132 is a wasteful number, since it uses less digits than its factorization.

231301311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275109268 (or 19275109266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231301311132 its reverse (231113103132), we get a palindrome (462414414264).

The spelling of 231301311132 in words is "two hundred thirty-one billion, three hundred one million, three hundred eleven thousand, one hundred thirty-two".