131413342021340 has 24 divisors (see below), whose sum is σ = 285484156806240. Its totient is φ = 50752738987328.

The previous prime is 131413342021333. The next prime is 131413342021397. The reversal of 131413342021340 is 43120243314131.

It is a super-2 number, since 2×131413342021340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131413342021297 and 131413342021306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113287363232 + ... + 113287364391.

It is an arithmetic number, because the mean of its divisors is an integer number (11895173200260).

Almost surely, 2^{131413342021340} is an apocalyptic number.

131413342021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131413342021340 is an abundant number, since it is smaller than the sum of its proper divisors (154070814784900).

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

131413342021340 is a wasteful number, since it uses less digits than its factorization.

131413342021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226574727661 (or 226574727659 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131413342021340 its reverse (43120243314131), we get a palindrome (174533585335471).

The spelling of 131413342021340 in words is "one hundred thirty-one trillion, four hundred thirteen billion, three hundred forty-two million, twenty-one thousand, three hundred forty".