131404034347 has 2 divisors, whose sum is σ = 131404034348.
Its totient is φ = 131404034346.
The previous prime is 131404034341. The next prime is 131404034441. The reversal of 131404034347 is 743430404131.
Adding to 131404034347 its reverse (743430404131), we get a palindrome (874834438478).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131404034347 is a prime.
It is not a weakly prime, because it can be changed into another prime (131404034341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702017173 + 65702017174.
It is an arithmetic number, because the mean of its divisors is an integer number (65702017174).
Almost surely, 2131404034347 is an apocalyptic number.
131404034347 is a deficient number, since it is larger than the sum of its proper divisors (1).
131404034347 is an equidigital number, since it uses as much as digits as its factorization.
131404034347 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48384, while the sum is 34.
The spelling of 131404034347 in words is "one hundred thirty-one billion, four hundred four million, thirty-four thousand, three hundred forty-seven".