30999504008 has 36 divisors (see below), whose sum is σ = 63899732295. Its totient is φ = 14088193680.

The previous prime is 30999504007. The next prime is 30999504023. The reversal of 30999504008 is 80040599903.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 15499752004 + 15499752004 = 124498^2 + 124498^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=124498.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30999504007) 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 8 ways as a sum of consecutive naturals, for example, 5475083 + ... + 5480741.

Almost surely, 2^30999504008 is an apocalyptic number.

It is an amenable number.

30999504008 is an abundant number, since it is smaller than the sum of its proper divisors (32900228287).

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

30999504008 is an frugal number, since it uses more digits than its factorization.

30999504008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 30999504008 in words is "thirty billion, nine hundred ninety-nine million, five hundred four thousand, eight".