131353412345523 has 6 divisors (see below), whose sum is σ = 189732706721324. Its totient is φ = 87568941563676.

The previous prime is 131353412345521. The next prime is 131353412345543. The reversal of 131353412345523 is 325543214353131.

131353412345523 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 5 + 341 + 234 + 55 + 23 = 666.

It is not a de Polignac number, because 131353412345523 - 2¹ = 131353412345521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131353412345521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7297411796965 + ... + 7297411796982.

Almost surely, 2^{131353412345523} is an apocalyptic number.

131353412345523 is a deficient number, since it is larger than the sum of its proper divisors (58379294375801).

131353412345523 is a wasteful number, since it uses less digits than its factorization.

131353412345523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14594823593953 (or 14594823593950 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

Adding to 131353412345523 its reverse (325543214353131), we get a palindrome (456896626698654).

The spelling of 131353412345523 in words is "one hundred thirty-one trillion, three hundred fifty-three billion, four hundred twelve million, three hundred forty-five thousand, five hundred twenty-three".