131120131232 has 24 divisors (see below), whose sum is σ = 273327627636. Its totient is φ = 61703590912.

The previous prime is 131120131231. The next prime is 131120131291. The reversal of 131120131232 is 232131021131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127360479376 + 3759651856 = 356876^2 + 61316^2 .

It is not an unprimeable number, because it can be changed into a prime (131120131231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 120514283 + ... + 120515370.

Almost surely, 2^131120131232 is an apocalyptic number.

It is an amenable number.

131120131232 is an abundant number, since it is smaller than the sum of its proper divisors (142207496404).

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

131120131232 is a wasteful number, since it uses less digits than its factorization.

131120131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241029680 (or 241029672 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131120131232 its reverse (232131021131), we get a palindrome (363251152363).

The spelling of 131120131232 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-two".