30985803080 has 32 divisors (see below), whose sum is σ = 69723271800. Its totient is φ = 12393394176.

The previous prime is 30985803019. The next prime is 30985803089. The reversal of 30985803080 is 8030858903.

It can be written as a sum of positive squares in 4 ways, for example, as 25480459876 + 5505343204 = 159626^2 + 74198^2 .

It is not an unprimeable number, because it can be changed into a prime (30985803089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818654 + ... + 855666.

Almost surely, 2^30985803080 is an apocalyptic number.

It is an amenable number.

30985803080 is an abundant number, since it is smaller than the sum of its proper divisors (38737468720).

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

30985803080 is a wasteful number, since it uses less digits than its factorization.

30985803080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57953 (or 57949 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 30985803080 in words is "thirty billion, nine hundred eighty-five million, eight hundred three thousand, eighty".