68340431271 has 96 divisors (see below), whose sum is σ = 112762306560. Its totient is φ = 36643622400.

The previous prime is 68340431261. The next prime is 68340431293. The reversal of 68340431271 is 17213404386.

It is not a de Polignac number, because 68340431271 - 2³⁰ = 67266689447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68340431261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68960586 + ... + 68961576.

It is an arithmetic number, because the mean of its divisors is an integer number (1174607360).

Almost surely, 2^68340431271 is an apocalyptic number.

68340431271 is a deficient number, since it is larger than the sum of its proper divisors (44421875289).

68340431271 is a wasteful number, since it uses less digits than its factorization.

68340431271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 68340431271 in words is "sixty-eight billion, three hundred forty million, four hundred thirty-one thousand, two hundred seventy-one".