131345344145020 has 24 divisors (see below), whose sum is σ = 287817623692704. Its totient is φ = 50253870803136.

The previous prime is 131345344144981. The next prime is 131345344145051. The reversal of 131345344145020 is 20541443543131.

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, 142766677959 + ... + 142766678878.

It is an arithmetic number, because the mean of its divisors is an integer number (11992400987196).

Almost surely, 2^{131345344145020} is an apocalyptic number.

131345344145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131345344145020 is an abundant number, since it is smaller than the sum of its proper divisors (156472279547684).

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

131345344145020 is a wasteful number, since it uses less digits than its factorization.

131345344145020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285533356869 (or 285533356867 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 131345344145020 its reverse (20541443543131), we get a palindrome (151886787688151).

The spelling of 131345344145020 in words is "one hundred thirty-one trillion, three hundred forty-five billion, three hundred forty-four million, one hundred forty-five thousand, twenty".