131020301031287 has 2 divisors, whose sum is σ = 131020301031288. Its totient is φ = 131020301031286.

The previous prime is 131020301031229. The next prime is 131020301031439. The reversal of 131020301031287 is 782130103020131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131020301031287 - 2³⁰ = 131019227289463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131020301031887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510150515643 + 65510150515644.

It is an arithmetic number, because the mean of its divisors is an integer number (65510150515644).

Almost surely, 2^{131020301031287} is an apocalyptic number.

131020301031287 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020301031287 is an equidigital number, since it uses as much as digits as its factorization.

131020301031287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 131020301031287 in words is "one hundred thirty-one trillion, twenty billion, three hundred one million, thirty-one thousand, two hundred eighty-seven".