131024242128 has 40 divisors (see below), whose sum is σ = 364516162528. Its totient is φ = 40315151232.

The previous prime is 131024242127. The next prime is 131024242177. The reversal of 131024242128 is 821242420131.

It is a junction number, because it is equal to n+sod(n) for n = 131024242095 and 131024242104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131024242127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104986750 + ... + 104987997.

Almost surely, 2^131024242128 is an apocalyptic number.

It is an amenable number.

131024242128 is an abundant number, since it is smaller than the sum of its proper divisors (233491920400).

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

131024242128 is a wasteful number, since it uses less digits than its factorization.

131024242128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209974771 (or 209974765 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 131024242128 its reverse (821242420131), we get a palindrome (952266662259).

The spelling of 131024242128 in words is "one hundred thirty-one billion, twenty-four million, two hundred forty-two thousand, one hundred twenty-eight".