131423343014340 has 72 divisors (see below), whose sum is σ = 429316253854488. Its totient is φ = 32350361356800.

The previous prime is 131423343014317. The next prime is 131423343014399. The reversal of 131423343014340 is 43410343324131.

131423343014340 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 3 + 3 + 4 + 301 + 4 + 340 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 730706974596 + 130692636039744 = 854814^2 + 11432088^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131423343014295 and 131423343014304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28081908561 + ... + 28081913240.

It is an arithmetic number, because the mean of its divisors is an integer number (5962725747979).

Almost surely, 2^{131423343014340} is an apocalyptic number.

131423343014340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423343014340 is an abundant number, since it is smaller than the sum of its proper divisors (297892910840148).

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

131423343014340 is a wasteful number, since it uses less digits than its factorization.

131423343014340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56163821829 (or 56163821824 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 131423343014340 its reverse (43410343324131), we get a palindrome (174833686338471).

The spelling of 131423343014340 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, three hundred forty-three million, fourteen thousand, three hundred forty".