30103856 has 20 divisors (see below), whose sum is σ = 60338400. Its totient is φ = 14532672.

The previous prime is 30103831. The next prime is 30103877. The reversal of 30103856 is 65830103.

It is an alternating number because its digits alternate between odd and even.

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, 31976 + ... + 32903.

It is an arithmetic number, because the mean of its divisors is an integer number (3016920).

Almost surely, 2^30103856 is an apocalyptic number.

It is an amenable number.

30103856 is an abundant number, since it is smaller than the sum of its proper divisors (30234544).

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

30103856 is a wasteful number, since it uses less digits than its factorization.

30103856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64916 (or 64910 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30103856 is about 5486.6980963053. The cubic root of 30103856 is about 311.0813984473.

Adding to 30103856 its reverse (65830103), we get a palindrome (95933959).

The spelling of 30103856 in words is "thirty million, one hundred three thousand, eight hundred fifty-six".