30316991500 has 48 divisors (see below), whose sum is σ = 68495525280. Its totient is φ = 11708625600.

The previous prime is 30316991447. The next prime is 30316991501. The reversal of 30316991500 is 519961303.

It is a super-2 number, since 2×30316991500² (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 30316991500.

It is not an unprimeable number, because it can be changed into a prime (30316991501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030914 + ... + 1059913.

It is an arithmetic number, because the mean of its divisors is an integer number (1426990110).

Almost surely, 2^30316991500 is an apocalyptic number.

It is an amenable number.

30316991500 is an abundant number, since it is smaller than the sum of its proper divisors (38178533780).

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

30316991500 is a wasteful number, since it uses less digits than its factorization.

30316991500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090875 (or 2090863 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The spelling of 30316991500 in words is "thirty billion, three hundred sixteen million, nine hundred ninety-one thousand, five hundred".