131032031332240 has 80 divisors (see below), whose sum is σ = 306110624831280. Its totient is φ = 52161627248640.

The previous prime is 131032031332229. The next prime is 131032031332283. The reversal of 131032031332240 is 42233130230131.

It can be written as a sum of positive squares in 8 ways, for example, as 13342860172944 + 117689171159296 = 3652788^2 + 10848464^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 131032031332199 and 131032031332208.

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 15 ways as a sum of consecutive naturals, for example, 41359482 + ... + 44414758.

It is an arithmetic number, because the mean of its divisors is an integer number (3826382810391).

Almost surely, 2^{131032031332240} is an apocalyptic number.

131032031332240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032031332240 is an abundant number, since it is smaller than the sum of its proper divisors (175078593499040).

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

131032031332240 is a wasteful number, since it uses less digits than its factorization.

131032031332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057860 (or 3057854 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 131032031332240 its reverse (42233130230131), we get a palindrome (173265161562371).

The spelling of 131032031332240 in words is "one hundred thirty-one trillion, thirty-two billion, thirty-one million, three hundred thirty-two thousand, two hundred forty".