30990009903 has 8 divisors (see below), whose sum is σ = 43750602288. Its totient is φ = 19444712064.

The previous prime is 30990009893. The next prime is 30990009943.

30990009903 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30990009903 - 2⁵ = 30990009871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30990009943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303823576 + ... + 303823677.

It is an arithmetic number, because the mean of its divisors is an integer number (5468825286).

Almost surely, 2^30990009903 is an apocalyptic number.

30990009903 is a deficient number, since it is larger than the sum of its proper divisors (12760592385).

30990009903 is a wasteful number, since it uses less digits than its factorization.

30990009903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607647273.

The product of its (nonzero) digits is 59049, while the sum is 42.

The spelling of 30990009903 in words is "thirty billion, nine hundred ninety million, nine thousand, nine hundred three".