131019271 has 2 divisors, whose sum is σ = 131019272. Its totient is φ = 131019270.

The previous prime is 131019263. The next prime is 131019283. The reversal of 131019271 is 172910131.

It is a weak prime.

It is an emirp because it is prime and its reverse (172910131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131019271 - 2³ = 131019263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131019241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65509635 + 65509636.

It is an arithmetic number, because the mean of its divisors is an integer number (65509636).

Almost surely, 2^131019271 is an apocalyptic number.

131019271 is a deficient number, since it is larger than the sum of its proper divisors (1).

131019271 is an equidigital number, since it uses as much as digits as its factorization.

131019271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 131019271 is about 11446.3649688449. The cubic root of 131019271 is about 507.9002105745.

The spelling of 131019271 in words is "one hundred thirty-one million, nineteen thousand, two hundred seventy-one".