131403330473 has 2 divisors, whose sum is σ = 131403330474. Its totient is φ = 131403330472.

The previous prime is 131403330467. The next prime is 131403330491. The reversal of 131403330473 is 374033304131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80495336089 + 50907994384 = 283717^2 + 225628^2 .

It is an emirp because it is prime and its reverse (374033304131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403330473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131403330433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701665236 + 65701665237.

It is an arithmetic number, because the mean of its divisors is an integer number (65701665237).

Almost surely, 2^131403330473 is an apocalyptic number.

It is an amenable number.

131403330473 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403330473 is an equidigital number, since it uses as much as digits as its factorization.

131403330473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 32.

The spelling of 131403330473 in words is "one hundred thirty-one billion, four hundred three million, three hundred thirty thousand, four hundred seventy-three".