30103312 has 20 divisors (see below), whose sum is σ = 59567616. Its totient is φ = 14731040.

The previous prime is 30103289. The next prime is 30103349. The reversal of 30103312 is 21330103.

It is a junction number, because it is equal to n+sod(n) for n = 30103292 and 30103301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19264 + ... + 20767.

Almost surely, 2^30103312 is an apocalyptic number.

It is an amenable number.

30103312 is a deficient number, since it is larger than the sum of its proper divisors (29464304).

30103312 is a wasteful number, since it uses less digits than its factorization.

30103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40086 (or 40080 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30103312 is about 5486.6485216387. The cubic root of 30103312 is about 311.0795246088.

Adding to 30103312 its reverse (21330103), we get a palindrome (51433415).

The spelling of 30103312 in words is "thirty million, one hundred three thousand, three hundred twelve".