68310202130 has 8 divisors (see below), whose sum is σ = 122958363852. Its totient is φ = 27324080848.

The previous prime is 68310202127. The next prime is 68310202157. The reversal of 68310202130 is 3120201386.

It can be written as a sum of positive squares in 2 ways, for example, as 66419082961 + 1891119169 = 257719^2 + 43487^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68310202130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415510097 + ... + 3415510116.

Almost surely, 2^68310202130 is an apocalyptic number.

68310202130 is a deficient number, since it is larger than the sum of its proper divisors (54648161722).

68310202130 is a wasteful number, since it uses less digits than its factorization.

68310202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831020220.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 68310202130 in words is "sixty-eight billion, three hundred ten million, two hundred two thousand, one hundred thirty".