131142340232244 has 72 divisors (see below), whose sum is σ = 380668356038880. Its totient is φ = 37648518724800.

The previous prime is 131142340232237. The next prime is 131142340232303. The reversal of 131142340232244 is 442232043241131.

131142340232244 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 2 + 3 + 402 + 3 + 2 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131142340232199 and 131142340232208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8714927367 + ... + 8714942414.

It is an arithmetic number, because the mean of its divisors is an integer number (5287060500540).

Almost surely, 2^{131142340232244} is an apocalyptic number.

It is an amenable number.

131142340232244 is an abundant number, since it is smaller than the sum of its proper divisors (249526015806636).

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

131142340232244 is a wasteful number, since it uses less digits than its factorization.

131142340232244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17429869821 (or 17429869816 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 131142340232244 its reverse (442232043241131), we get a palindrome (573374383473375).

The spelling of 131142340232244 in words is "one hundred thirty-one trillion, one hundred forty-two billion, three hundred forty million, two hundred thirty-two thousand, two hundred forty-four".