30203106 has 16 divisors (see below), whose sum is σ = 60513024. Its totient is φ = 10049904.

The previous prime is 30203099. The next prime is 30203153. The reversal of 30203106 is 60130203.

It is a super-2 number, since 2×30203106² = 1824455224094472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (3782064).

Almost surely, 2^30203106 is an apocalyptic number.

30203106 is an abundant number, since it is smaller than the sum of its proper divisors (30309918).

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

30203106 is a wasteful number, since it uses less digits than its factorization.

30203106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905.

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

The square root of 30203106 is about 5495.7352556323. The cubic root of 30203106 is about 311.4228935723.

Adding to 30203106 its reverse (60130203), we get a palindrome (90333309).

The spelling of 30203106 in words is "thirty million, two hundred three thousand, one hundred six".