131423143240240 has 80 divisors (see below), whose sum is σ = 322922289150720. Its totient is φ = 49604037984000.

The previous prime is 131423143240189. The next prime is 131423143240253. The reversal of 131423143240240 is 42042341324131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 131423143240196 and 131423143240205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171854724 + ... + 172617763.

It is an arithmetic number, because the mean of its divisors is an integer number (4036528614384).

Almost surely, 2^{131423143240240} is an apocalyptic number.

131423143240240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423143240240 is an abundant number, since it is smaller than the sum of its proper divisors (191499145910480).

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

131423143240240 is a wasteful number, since it uses less digits than its factorization.

131423143240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344472770 (or 344472764 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 131423143240240 its reverse (42042341324131), we get a palindrome (173465484564371).

The spelling of 131423143240240 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-three million, two hundred forty thousand, two hundred forty".