131342224020440 has 32 divisors (see below), whose sum is σ = 295523427026160. Its totient is φ = 52536281078400.

The previous prime is 131342224020419. The next prime is 131342224020463. The reversal of 131342224020440 is 44020422243131.

It is a happy number.

It is a super-2 number, since 2×131342224020440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131342224020397 and 131342224020406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15512051 + ... + 22434530.

Almost surely, 2^{131342224020440} is an apocalyptic number.

131342224020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131342224020440 is an abundant number, since it is smaller than the sum of its proper divisors (164181203005720).

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

131342224020440 is a wasteful number, since it uses less digits than its factorization.

131342224020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38033123 (or 38033119 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 131342224020440 its reverse (44020422243131), we get a palindrome (175362646263571).

The spelling of 131342224020440 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred twenty-four million, twenty thousand, four hundred forty".