30103706 has 4 divisors (see below), whose sum is σ = 45155562. Its totient is φ = 15051852.

The previous prime is 30103687. The next prime is 30103721. The reversal of 30103706 is 60730103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 1918225 = 5309^2 + 1385^2 .

It is a super-2 number, since 2×30103706² = 1812466229868872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525925 + ... + 7525928.

Almost surely, 2^30103706 is an apocalyptic number.

30103706 is a deficient number, since it is larger than the sum of its proper divisors (15051856).

30103706 is a wasteful number, since it uses less digits than its factorization.

30103706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051855.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30103706 is about 5486.6844268647. The cubic root of 30103706 is about 311.0808817662.

Adding to 30103706 its reverse (60730103), we get a palindrome (90833809).

The spelling of 30103706 in words is "thirty million, one hundred three thousand, seven hundred six".