131404034345 has 8 divisors (see below), whose sum is σ = 159844907976. Its totient is φ = 103683182976.

The previous prime is 131404034341. The next prime is 131404034347. The reversal of 131404034345 is 543430404131.

It can be written as a sum of positive squares in 4 ways, for example, as 55325155369 + 76078878976 = 235213^2 + 275824^2 .

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 131404034345 - 2² = 131404034341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131404034341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180005162 + ... + 180005891.

It is an arithmetic number, because the mean of its divisors is an integer number (19980613497).

Almost surely, 2^131404034345 is an apocalyptic number.

It is an amenable number.

131404034345 is a deficient number, since it is larger than the sum of its proper divisors (28440873631).

131404034345 is an equidigital number, since it uses as much as digits as its factorization.

131404034345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360011131.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 131404034345 its reverse (543430404131), we get a palindrome (674834438476).

The spelling of 131404034345 in words is "one hundred thirty-one billion, four hundred four million, thirty-four thousand, three hundred forty-five".