131273671 has 2 divisors, whose sum is σ = 131273672. Its totient is φ = 131273670.

The previous prime is 131273629. The next prime is 131273687. The reversal of 131273671 is 176372131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131273671 - 2¹⁹ = 130749383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131273621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65636835 + 65636836.

It is an arithmetic number, because the mean of its divisors is an integer number (65636836).

Almost surely, 2^131273671 is an apocalyptic number.

131273671 is a deficient number, since it is larger than the sum of its proper divisors (1).

131273671 is an equidigital number, since it uses as much as digits as its factorization.

131273671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 31.

The square root of 131273671 is about 11457.4722779503. The cubic root of 131273671 is about 508.2287278321.

The spelling of 131273671 in words is "one hundred thirty-one million, two hundred seventy-three thousand, six hundred seventy-one".