131350534334505 has 12 divisors (see below), whose sum is σ = 227674259513220. Its totient is φ = 70053618311712.

The previous prime is 131350534334489. The next prime is 131350534334549. The reversal of 131350534334505 is 505433435053131.

131350534334505 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 50 + 53 + 43 + 3 + 4 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16652667469824 + 114697866864681 = 4080768^2 + 10709709^2 .

It is not a de Polignac number, because 131350534334505 - 2⁴ = 131350534334489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2918900762989 = 131350534334505 / (1 + 3 + 1 + 3 + 5 + 0 + 5 + 3 + 4 + 3 + 3 + 4 + 5 + 0 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459450381450 + ... + 1459450381539.

It is an arithmetic number, because the mean of its divisors is an integer number (18972854959435).

Almost surely, 2^{131350534334505} is an apocalyptic number.

131350534334505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131350534334505 is a deficient number, since it is larger than the sum of its proper divisors (96323725178715).

131350534334505 is a wasteful number, since it uses less digits than its factorization.

131350534334505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918900763000 (or 2918900762997 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 45.

Adding to 131350534334505 its reverse (505433435053131), we get a palindrome (636783969387636).

The spelling of 131350534334505 in words is "one hundred thirty-one trillion, three hundred fifty billion, five hundred thirty-four million, three hundred thirty-four thousand, five hundred five".