131403022143479 has 2 divisors, whose sum is σ = 131403022143480. Its totient is φ = 131403022143478.

The previous prime is 131403022143319. The next prime is 131403022143493. The reversal of 131403022143479 is 974341220304131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403022143479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403022143979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701511071739 + 65701511071740.

It is an arithmetic number, because the mean of its divisors is an integer number (65701511071740).

Almost surely, 2^{131403022143479} is an apocalyptic number.

131403022143479 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403022143479 is an equidigital number, since it uses as much as digits as its factorization.

131403022143479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 131403022143479 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-two million, one hundred forty-three thousand, four hundred seventy-nine".