1331127671 has 2 divisors, whose sum is σ = 1331127672. Its totient is φ = 1331127670.

The previous prime is 1331127653. The next prime is 1331127673. The reversal of 1331127671 is 1767211331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331127671 - 2¹⁰ = 1331126647 is a prime.

Together with 1331127673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331127673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665563835 + 665563836.

It is an arithmetic number, because the mean of its divisors is an integer number (665563836).

Almost surely, 2^1331127671 is an apocalyptic number.

1331127671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331127671 is an equidigital number, since it uses as much as digits as its factorization.

1331127671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 1331127671 is about 36484.6223908101. The cubic root of 1331127671 is about 1100.0351699499.

The spelling of 1331127671 in words is "one billion, three hundred thirty-one million, one hundred twenty-seven thousand, six hundred seventy-one".