6698171131 has 4 divisors (see below), whose sum is σ = 6778872072. Its totient is φ = 6617470192.

The previous prime is 6698171119. The next prime is 6698171141. The reversal of 6698171131 is 1311718966.

6698171131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6698171131 - 2¹¹ = 6698169083 is a prime.

It is a super-2 number, since 2×6698171131² = 89730993000323638322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6698171141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40350346 + ... + 40350511.

It is an arithmetic number, because the mean of its divisors is an integer number (1694718018).

Almost surely, 2^6698171131 is an apocalyptic number.

6698171131 is a deficient number, since it is larger than the sum of its proper divisors (80700941).

6698171131 is an equidigital number, since it uses as much as digits as its factorization.

6698171131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80700940.

The product of its digits is 54432, while the sum is 43.

The square root of 6698171131 is about 81842.3553607788. The cubic root of 6698171131 is about 1885.0320835465.

The spelling of 6698171131 in words is "six billion, six hundred ninety-eight million, one hundred seventy-one thousand, one hundred thirty-one".