131120304451105 has 8 divisors (see below), whose sum is σ = 157740698757672. Its totient is φ = 104632021283328.

The previous prime is 131120304451091. The next prime is 131120304451121. The reversal of 131120304451105 is 501154403021131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13233174134049 + 117887130317056 = 3637743^2 + 10857584^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131120304451105 - 2¹³ = 131120304442913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33027782512 + ... + 33027786481.

It is an arithmetic number, because the mean of its divisors is an integer number (19717587344709).

Almost surely, 2^{131120304451105} is an apocalyptic number.

It is an amenable number.

131120304451105 is a deficient number, since it is larger than the sum of its proper divisors (26620394306567).

131120304451105 is an equidigital number, since it uses as much as digits as its factorization.

131120304451105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66055569395.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 131120304451105 its reverse (501154403021131), we get a palindrome (632274707472236).

The spelling of 131120304451105 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred four million, four hundred fifty-one thousand, one hundred five".