30155330 has 16 divisors (see below), whose sum is σ = 54360504. Its totient is φ = 12044160.

The previous prime is 30155303. The next prime is 30155387. The reversal of 30155330 is 3355103.

It can be written as a sum of positive squares in 4 ways, for example, as 13271449 + 16883881 = 3643^2 + 4109^2 .

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, 6374 + ... + 10046.

Almost surely, 2^30155330 is an apocalyptic number.

30155330 is a deficient number, since it is larger than the sum of its proper divisors (24205174).

30155330 is a wasteful number, since it uses less digits than its factorization.

30155330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 30155330 is about 5491.3868922158. The cubic root of 30155330 is about 311.2586015053.

The spelling of 30155330 in words is "thirty million, one hundred fifty-five thousand, three hundred thirty".