131403022224440 has 128 divisors (see below), whose sum is σ = 299462542603200. Its totient is φ = 51886612377600.

The previous prime is 131403022224401. The next prime is 131403022224457. The reversal of 131403022224440 is 44422220304131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131403022224397 and 131403022224406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6035125394 + ... + 6035147166.

Almost surely, 2^{131403022224440} is an apocalyptic number.

131403022224440 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 131403022224440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149731271301600).

131403022224440 is an abundant number, since it is smaller than the sum of its proper divisors (168059520378760).

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

131403022224440 is a wasteful number, since it uses less digits than its factorization.

131403022224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24537 (or 24533 counting only the distinct ones).

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

Adding to 131403022224440 its reverse (44422220304131), we get a palindrome (175825242528571).

The spelling of 131403022224440 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-two million, two hundred twenty-four thousand, four hundred forty".