311271211671 has 8 divisors (see below), whose sum is σ = 474318036864. Its totient is φ = 177869263800.

The previous prime is 311271211661. The next prime is 311271211679. The reversal of 311271211671 is 176112172113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311271211671 - 2¹⁰ = 311271210647 is a prime.

It is a super-2 number, since 2×311271211671² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311271211679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411219305 + ... + 7411219346.

It is an arithmetic number, because the mean of its divisors is an integer number (59289754608).

Almost surely, 2^311271211671 is an apocalyptic number.

311271211671 is a deficient number, since it is larger than the sum of its proper divisors (163046825193).

311271211671 is a wasteful number, since it uses less digits than its factorization.

311271211671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822438661.

The product of its digits is 3528, while the sum is 33.

Adding to 311271211671 its reverse (176112172113), we get a palindrome (487383383784).

The spelling of 311271211671 in words is "three hundred eleven billion, two hundred seventy-one million, two hundred eleven thousand, six hundred seventy-one".