30665230 has 32 divisors (see below), whose sum is σ = 57581856. Its totient is φ = 11746944.

The previous prime is 30665227. The next prime is 30665281. The reversal of 30665230 is 3256603.

It is a junction number, because it is equal to n+sod(n) for n = 30665195 and 30665204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24172 + ... + 25408.

It is an arithmetic number, because the mean of its divisors is an integer number (1799433).

Almost surely, 2^30665230 is an apocalyptic number.

30665230 is a deficient number, since it is larger than the sum of its proper divisors (26916626).

30665230 is a wasteful number, since it uses less digits than its factorization.

30665230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 30665230 is about 5537.6195246694. The cubic root of 30665230 is about 313.0031744414.

It can be divided in two parts, 306 and 65230, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 30665230 in words is "thirty million, six hundred sixty-five thousand, two hundred thirty".