131230441432 has 16 divisors (see below), whose sum is σ = 250090801200. Its totient is φ = 64539561120.

The previous prime is 131230441411. The next prime is 131230441469. The reversal of 131230441432 is 234144032131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131230441432.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 134456932 + ... + 134457907.

It is an arithmetic number, because the mean of its divisors is an integer number (15630675075).

Almost surely, 2^131230441432 is an apocalyptic number.

It is an amenable number.

131230441432 is a deficient number, since it is larger than the sum of its proper divisors (118860359768).

131230441432 is a wasteful number, since it uses less digits than its factorization.

131230441432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268914906 (or 268914902 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131230441432 its reverse (234144032131), we get a palindrome (365374473563).

The spelling of 131230441432 in words is "one hundred thirty-one billion, two hundred thirty million, four hundred forty-one thousand, four hundred thirty-two".