30103108 has 48 divisors (see below), whose sum is σ = 63078400. Its totient is φ = 12299040.

The previous prime is 30103103. The next prime is 30103109. The reversal of 30103108 is 80130103.

It is a super-2 number, since 2×30103108² = 1812394222519328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30103091 and 30103100.

It is not an unprimeable number, because it can be changed into a prime (30103103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68353 + ... + 68791.

Almost surely, 2^30103108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30103108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31539200).

30103108 is an abundant number, since it is smaller than the sum of its proper divisors (32975292).

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

30103108 is a wasteful number, since it uses less digits than its factorization.

30103108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30103108 is about 5486.6299310232. The cubic root of 30103108 is about 311.0788219135.

The spelling of 30103108 in words is "thirty million, one hundred three thousand, one hundred eight".