68030218731 has 8 divisors (see below), whose sum is σ = 94650739200. Its totient is φ = 43381588712.

The previous prime is 68030218721. The next prime is 68030218799. The reversal of 68030218731 is 13781203086.

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

It is a cyclic number.

It is not a de Polignac number, because 68030218731 - 2²⁵ = 67996664299 is a prime.

It is a super-2 number, since 2×68030218731² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68030218731.

It is not an unprimeable number, because it can be changed into a prime (68030218721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 492972531 + ... + 492972668.

It is an arithmetic number, because the mean of its divisors is an integer number (11831342400).

Almost surely, 2^68030218731 is an apocalyptic number.

68030218731 is a deficient number, since it is larger than the sum of its proper divisors (26620520469).

68030218731 is a wasteful number, since it uses less digits than its factorization.

68030218731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985945225.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 68030218731 in words is "sixty-eight billion, thirty million, two hundred eighteen thousand, seven hundred thirty-one".