131404321334434 has 16 divisors (see below), whose sum is σ = 203540723907840. Its totient is φ = 63585449277840.

The previous prime is 131404321334423. The next prime is 131404321334537. The reversal of 131404321334434 is 434433123404131.

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, 7008968722 + ... + 7008987469.

It is an arithmetic number, because the mean of its divisors is an integer number (12721295244240).

Almost surely, 2^{131404321334434} is an apocalyptic number.

131404321334434 is a deficient number, since it is larger than the sum of its proper divisors (72136402573406).

131404321334434 is a wasteful number, since it uses less digits than its factorization.

131404321334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017956345.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 131404321334434 its reverse (434433123404131), we get a palindrome (565837444738565).

The spelling of 131404321334434 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred twenty-one million, three hundred thirty-four thousand, four hundred thirty-four".