131023342040 has 32 divisors (see below), whose sum is σ = 299635353360. Its totient is φ = 51550166400.

The previous prime is 131023342031. The next prime is 131023342141. The reversal of 131023342040 is 40243320131.

It is a junction number, because it is equal to n+sod(n) for n = 131023341997 and 131023342015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26846606 + ... + 26851485.

Almost surely, 2^131023342040 is an apocalyptic number.

131023342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131023342040 is an abundant number, since it is smaller than the sum of its proper divisors (168612011320).

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

131023342040 is a wasteful number, since it uses less digits than its factorization.

131023342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53698163 (or 53698159 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131023342040 its reverse (40243320131), we get a palindrome (171266662171).

The spelling of 131023342040 in words is "one hundred thirty-one billion, twenty-three million, three hundred forty-two thousand, forty".