131025442424 has 8 divisors (see below), whose sum is σ = 245672704560. Its totient is φ = 65512721208.

The previous prime is 131025442393. The next prime is 131025442447. The reversal of 131025442424 is 424244520131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8189090144 + ... + 8189090159.

It is an arithmetic number, because the mean of its divisors is an integer number (30709088070).

Almost surely, 2^131025442424 is an apocalyptic number.

It is an amenable number.

131025442424 is a deficient number, since it is larger than the sum of its proper divisors (114647262136).

131025442424 is a wasteful number, since it uses less digits than its factorization.

131025442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16378180309 (or 16378180305 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 131025442424 its reverse (424244520131), we get a palindrome (555269962555).

The spelling of 131025442424 in words is "one hundred thirty-one billion, twenty-five million, four hundred forty-two thousand, four hundred twenty-four".