131230331332 has 6 divisors (see below), whose sum is σ = 229653079838. Its totient is φ = 65615165664.

The previous prime is 131230331303. The next prime is 131230331357. The reversal of 131230331332 is 233133032131.

131230331332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130621525056 + 608806276 = 361416^2 + 24674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131230331297 and 131230331306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16403791413 + ... + 16403791420.

Almost surely, 2^131230331332 is an apocalyptic number.

It is an amenable number.

131230331332 is a deficient number, since it is larger than the sum of its proper divisors (98422748506).

131230331332 is a wasteful number, since it uses less digits than its factorization.

131230331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32807582837 (or 32807582835 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131230331332 its reverse (233133032131), we get a palindrome (364363363463).

The spelling of 131230331332 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred thirty-one thousand, three hundred thirty-two".