131350534334520 has 64 divisors (see below), whose sum is σ = 394122312277920. Its totient is φ = 35020523887104.

The previous prime is 131350534334489. The next prime is 131350534334549. The reversal of 131350534334520 is 25433435053131.

It is a congruent number.

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, 97535779 + ... + 98873298.

Almost surely, 2^{131350534334520} is an apocalyptic number.

131350534334520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131350534334520 is an abundant number, since it is smaller than the sum of its proper divisors (262771777943400).

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

131350534334520 is a wasteful number, since it uses less digits than its factorization.

131350534334520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196414664 (or 196414660 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 42.

Adding to 131350534334520 its reverse (25433435053131), we get a palindrome (156783969387651).

The spelling of 131350534334520 in words is "one hundred thirty-one trillion, three hundred fifty billion, five hundred thirty-four million, three hundred thirty-four thousand, five hundred twenty".