131402321422340 has 24 divisors (see below), whose sum is σ = 277637788337280. Its totient is φ = 52238468883168.

The previous prime is 131402321422313. The next prime is 131402321422349. The reversal of 131402321422340 is 43224123204131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131402321422297 and 131402321422306.

It is not an unprimeable number, because it can be changed into a prime (131402321422349) 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, 20153727020 + ... + 20153733539.

It is an arithmetic number, because the mean of its divisors is an integer number (11568241180720).

Almost surely, 2^{131402321422340} is an apocalyptic number.

131402321422340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402321422340 is an abundant number, since it is smaller than the sum of its proper divisors (146235466914940).

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

131402321422340 is a wasteful number, since it uses less digits than its factorization.

131402321422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40307460731 (or 40307460729 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131402321422340 its reverse (43224123204131), we get a palindrome (174626444626471).

The spelling of 131402321422340 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred twenty-one million, four hundred twenty-two thousand, three hundred forty".