131403043100440 has 32 divisors (see below), whose sum is σ = 295959464102880. Its totient is φ = 52507418639872.

The previous prime is 131403043100437. The next prime is 131403043100447. The reversal of 131403043100440 is 44001340304131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131403043100399 and 131403043100408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403043100447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681166692 + ... + 1681244851.

It is an arithmetic number, because the mean of its divisors is an integer number (9248733253215).

Almost surely, 2^{131403043100440} is an apocalyptic number.

131403043100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403043100440 is an abundant number, since it is smaller than the sum of its proper divisors (164556421002440).

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

131403043100440 is a wasteful number, since it uses less digits than its factorization.

131403043100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362412531 (or 3362412527 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131403043100440 its reverse (44001340304131), we get a palindrome (175404383404571).

The spelling of 131403043100440 in words is "one hundred thirty-one trillion, four hundred three billion, forty-three million, one hundred thousand, four hundred forty".