30817795068 has 72 divisors (see below), whose sum is σ = 78182067600. Its totient is φ = 10235554560.

The previous prime is 30817795061. The next prime is 30817795091. The reversal of 30817795068 is 86059771803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30817795061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14681083 + ... + 14683181.

It is an arithmetic number, because the mean of its divisors is an integer number (1085862050).

Almost surely, 2^30817795068 is an apocalyptic number.

It is an amenable number.

30817795068 is an abundant number, since it is smaller than the sum of its proper divisors (47364272532).

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

30817795068 is a wasteful number, since it uses less digits than its factorization.

30817795068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 30817795068 in words is "thirty billion, eight hundred seventeen million, seven hundred ninety-five thousand, sixty-eight".