131404030340434 has 16 divisors (see below), whose sum is σ = 203081488499160. Its totient is φ = 63738058384000.

The previous prime is 131404030340417. The next prime is 131404030340449. The reversal of 131404030340434 is 434043030404131.

It can be written as a sum of positive squares in 4 ways, for example, as 109412123000625 + 21991907339809 = 10460025^2 + 4689553^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131404030340434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964376317 + ... + 6964395184.

Almost surely, 2^{131404030340434} is an apocalyptic number.

131404030340434 is a deficient number, since it is larger than the sum of its proper divisors (71677458158726).

131404030340434 is a wasteful number, since it uses less digits than its factorization.

131404030340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928771645.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 131404030340434 its reverse (434043030404131), we get a palindrome (565447060744565).

The spelling of 131404030340434 in words is "one hundred thirty-one trillion, four hundred four billion, thirty million, three hundred forty thousand, four hundred thirty-four".