131570671 has 2 divisors, whose sum is σ = 131570672. Its totient is φ = 131570670.

The previous prime is 131570657. The next prime is 131570693. The reversal of 131570671 is 176075131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131570671 - 2⁵ = 131570639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131573671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65785335 + 65785336.

It is an arithmetic number, because the mean of its divisors is an integer number (65785336).

Almost surely, 2^131570671 is an apocalyptic number.

131570671 is a deficient number, since it is larger than the sum of its proper divisors (1).

131570671 is an equidigital number, since it uses as much as digits as its factorization.

131570671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 131570671 is about 11470.4259293193. The cubic root of 131570671 is about 508.6117196881.

The spelling of 131570671 in words is "one hundred thirty-one million, five hundred seventy thousand, six hundred seventy-one".