131641303240 has 32 divisors (see below), whose sum is σ = 299125544760. Its totient is φ = 52135168000.

The previous prime is 131641303237. The next prime is 131641303247. The reversal of 131641303240 is 42303146131.

It can be written as a sum of positive squares in 4 ways, for example, as 131477309604 + 163993636 = 362598^2 + 12806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131641303199 and 131641303208.

It is not an unprimeable number, because it can be changed into a prime (131641303247) 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 7 ways as a sum of consecutive naturals, for example, 16288201 + ... + 16296280.

Almost surely, 2^131641303240 is an apocalyptic number.

131641303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131641303240 is an abundant number, since it is smaller than the sum of its proper divisors (167484241520).

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

131641303240 is a wasteful number, since it uses less digits than its factorization.

131641303240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584593 (or 32584589 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131641303240 its reverse (42303146131), we get a palindrome (173944449371).

The spelling of 131641303240 in words is "one hundred thirty-one billion, six hundred forty-one million, three hundred three thousand, two hundred forty".