343771197691 has 12 divisors (see below), whose sum is σ = 349151579040. Its totient is φ = 338445151200.

The previous prime is 343771197673. The next prime is 343771197701. The reversal of 343771197691 is 196791177343.

It is not a de Polignac number, because 343771197691 - 2¹¹ = 343771195643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343771197611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622766 + ... + 2750716.

It is an arithmetic number, because the mean of its divisors is an integer number (29095964920).

Almost surely, 2^343771197691 is an apocalyptic number.

343771197691 is a deficient number, since it is larger than the sum of its proper divisors (5380381349).

343771197691 is a wasteful number, since it uses less digits than its factorization.

343771197691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128374 (or 128217 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 58.

The spelling of 343771197691 in words is "three hundred forty-three billion, seven hundred seventy-one million, one hundred ninety-seven thousand, six hundred ninety-one".