131431230134279 has 2 divisors, whose sum is σ = 131431230134280. Its totient is φ = 131431230134278.

The previous prime is 131431230134257. The next prime is 131431230134341. The reversal of 131431230134279 is 972431032134131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131431230134279 - 2²⁸ = 131430961698823 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 (131431230134249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65715615067139 + 65715615067140.

It is an arithmetic number, because the mean of its divisors is an integer number (65715615067140).

Almost surely, 2^{131431230134279} is an apocalyptic number.

131431230134279 is a deficient number, since it is larger than the sum of its proper divisors (1).

131431230134279 is an equidigital number, since it uses as much as digits as its factorization.

131431230134279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 131431230134279 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, two hundred thirty million, one hundred thirty-four thousand, two hundred seventy-nine".