68131371 has 32 divisors (see below), whose sum is σ = 115200000. Its totient is φ = 34786080.

The previous prime is 68131367. The next prime is 68131373. The reversal of 68131371 is 17313186.

It is not a de Polignac number, because 68131371 - 2² = 68131367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68131373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11130 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (3600000).

Almost surely, 2^68131371 is an apocalyptic number.

68131371 is a deficient number, since it is larger than the sum of its proper divisors (47068629).

68131371 is a wasteful number, since it uses less digits than its factorization.

68131371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079.

The product of its digits is 3024, while the sum is 30.

The square root of 68131371 is about 8254.1729446384. The cubic root of 68131371 is about 408.4281896896.

The spelling of 68131371 in words is "sixty-eight million, one hundred thirty-one thousand, three hundred seventy-one".