131240331040 has 192 divisors, whose sum is σ = 382106108160. Its totient is φ = 41481031680.

The previous prime is 131240331031. The next prime is 131240331083. The reversal of 131240331040 is 40133042131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11948271 + ... + 11959249.

It is an arithmetic number, because the mean of its divisors is an integer number (1990135980).

Almost surely, 2^131240331040 is an apocalyptic number.

131240331040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131240331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191053054080).

131240331040 is an abundant number, since it is smaller than the sum of its proper divisors (250865777120).

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

131240331040 is a wasteful number, since it uses less digits than its factorization.

131240331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835 (or 11827 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131240331040 its reverse (40133042131), we get a palindrome (171373373171).

The spelling of 131240331040 in words is "one hundred thirty-one billion, two hundred forty million, three hundred thirty-one thousand, forty".