30103206 has 16 divisors (see below), whose sum is σ = 68807424. Its totient is φ = 8600904.

The previous prime is 30103193. The next prime is 30103207. The reversal of 30103206 is 60230103.

It is a super-2 number, since 2×30103206² = 1812406022956872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103207) 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, 358330 + ... + 358413.

It is an arithmetic number, because the mean of its divisors is an integer number (4300464).

Almost surely, 2^30103206 is an apocalyptic number.

30103206 is an abundant number, since it is smaller than the sum of its proper divisors (38704218).

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

30103206 is a wasteful number, since it uses less digits than its factorization.

30103206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716755.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30103206 is about 5486.6388618170. The cubic root of 30103206 is about 311.0791594832.

Adding to 30103206 its reverse (60230103), we get a palindrome (90333309).

It can be divided in two parts, 3010 and 3206, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 30103206 in words is "thirty million, one hundred three thousand, two hundred six".