68321131242 has 64 divisors (see below), whose sum is σ = 168845451264. Its totient is φ = 17946936000.

The previous prime is 68321131217. The next prime is 68321131267. The reversal of 68321131242 is 24213112386.

It is an interprime number because it is at equal distance from previous prime (68321131217) and next prime (68321131267).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112218 + ... + 386309.

It is an arithmetic number, because the mean of its divisors is an integer number (2638210176).

Almost surely, 2^68321131242 is an apocalyptic number.

68321131242 is an abundant number, since it is smaller than the sum of its proper divisors (100524320022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68321131242 is a wasteful number, since it uses less digits than its factorization.

68321131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498803.

The product of its digits is 13824, while the sum is 33.

The spelling of 68321131242 in words is "sixty-eight billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred forty-two".