131403434117 has 2 divisors, whose sum is σ = 131403434118. Its totient is φ = 131403434116.

The previous prime is 131403434083. The next prime is 131403434143. The reversal of 131403434117 is 711434304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121069898401 + 10333535716 = 347951^2 + 101654^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403434117 - 2¹⁰ = 131403433093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403434417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701717058 + 65701717059.

It is an arithmetic number, because the mean of its divisors is an integer number (65701717059).

Almost surely, 2^131403434117 is an apocalyptic number.

It is an amenable number.

131403434117 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403434117 is an equidigital number, since it uses as much as digits as its factorization.

131403434117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 131403434117 its reverse (711434304131), we get a palindrome (842837738248).

The spelling of 131403434117 in words is "one hundred thirty-one billion, four hundred three million, four hundred thirty-four thousand, one hundred seventeen".