68108131 has 8 divisors (see below), whose sum is σ = 83825504. Its totient is φ = 53887680.

The previous prime is 68108101. The next prime is 68108177. The reversal of 68108131 is 13180186.

It is a happy number.

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

It is not a de Polignac number, because 68108131 - 2⁷ = 68108003 is a prime.

It is a super-2 number, since 2×68108131² = 9277435016626322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68108131.

It is not an unprimeable number, because it can be changed into a prime (68108101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374130 + ... + 374311.

It is an arithmetic number, because the mean of its divisors is an integer number (10478188).

Almost surely, 2^68108131 is an apocalyptic number.

68108131 is a deficient number, since it is larger than the sum of its proper divisors (15717373).

68108131 is a wasteful number, since it uses less digits than its factorization.

68108131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748461.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 68108131 is about 8252.7650517872. The cubic root of 68108131 is about 408.3817453452.

It can be divided in two parts, 6810 and 8131, that added together give a palindrome (14941).

The spelling of 68108131 in words is "sixty-eight million, one hundred eight thousand, one hundred thirty-one".