131403323104340 has 24 divisors (see below), whose sum is σ = 315367975450752. Its totient is φ = 45052567921440.

The previous prime is 131403323104283. The next prime is 131403323104349. The reversal of 131403323104340 is 43401323304131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131403323104297 and 131403323104306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403323104349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 469297582376 + ... + 469297582655.

It is an arithmetic number, because the mean of its divisors is an integer number (13140332310448).

Almost surely, 2^{131403323104340} is an apocalyptic number.

131403323104340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403323104340 is an abundant number, since it is smaller than the sum of its proper divisors (183964652346412).

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

131403323104340 is a wasteful number, since it uses less digits than its factorization.

131403323104340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938595165047 (or 938595165045 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 131403323104340 its reverse (43401323304131), we get a palindrome (174804646408471).

The spelling of 131403323104340 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred twenty-three million, one hundred four thousand, three hundred forty".