30103100 has 36 divisors (see below), whose sum is σ = 66313464. Its totient is φ = 11858880.

The previous prime is 30103081. The next prime is 30103103. The reversal of 30103100 is 130103.

It is a super-2 number, since 2×30103100² = 1812393259220000, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4454 + ... + 8946.

Almost surely, 2^30103100 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 30103100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33156732).

30103100 is an abundant number, since it is smaller than the sum of its proper divisors (36210364).

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

30103100 is a wasteful number, since it uses less digits than its factorization.

30103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 30103100 is about 5486.6292019782. The cubic root of 30103100 is about 311.0787943567.

Adding to 30103100 its reverse (130103), we get a palindrome (30233203).

It can be divided in two parts, 30103 and 100, that added together give a palindrome (30203).

The spelling of 30103100 in words is "thirty million, one hundred three thousand, one hundred".