30287328903 has 12 divisors (see below), whose sum is σ = 47113622920. Its totient is φ = 18638356176.

The previous prime is 30287328893. The next prime is 30287328923. The reversal of 30287328903 is 30982378203.

It is a happy number.

It is not a de Polignac number, because 30287328903 - 2¹⁰ = 30287327879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30287328923) 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 11 ways as a sum of consecutive naturals, for example, 129432913 + ... + 129433146.

Almost surely, 2^30287328903 is an apocalyptic number.

30287328903 is a deficient number, since it is larger than the sum of its proper divisors (16826294017).

30287328903 is a wasteful number, since it uses less digits than its factorization.

30287328903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258866078 (or 258866075 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

It can be divided in two parts, 302873 and 28903, that added together give a 4-th power (331776 = 24⁴).

The spelling of 30287328903 in words is "thirty billion, two hundred eighty-seven million, three hundred twenty-eight thousand, nine hundred three".