131444300340 has 120 divisors (see below), whose sum is σ = 430273831680. Its totient is φ = 33527812032.

The previous prime is 131444300333. The next prime is 131444300369. The reversal of 131444300340 is 43003444131.

131444300340 is a `hidden beast` number, since 1 + 3 + 14 + 4 + 4 + 300 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1726620 + ... + 1801139.

It is an arithmetic number, because the mean of its divisors is an integer number (3585615264).

Almost surely, 2^131444300340 is an apocalyptic number.

131444300340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131444300340 is an abundant number, since it is smaller than the sum of its proper divisors (298829531340).

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

131444300340 is a wasteful number, since it uses less digits than its factorization.

131444300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527803 (or 3527792 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 131444300340 its reverse (43003444131), we get a palindrome (174447744471).

The spelling of 131444300340 in words is "one hundred thirty-one billion, four hundred forty-four million, three hundred thousand, three hundred forty".