30140210 has 16 divisors (see below), whose sum is σ = 55017792. Its totient is φ = 11886000.

The previous prime is 30140191. The next prime is 30140219. The reversal of 30140210 is 1204103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30140191 and 30140200.

It is not an unprimeable number, because it can be changed into a prime (30140219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20516 + ... + 21935.

It is an arithmetic number, because the mean of its divisors is an integer number (3438612).

Almost surely, 2^30140210 is an apocalyptic number.

30140210 is a deficient number, since it is larger than the sum of its proper divisors (24877582).

30140210 is a wasteful number, since it uses less digits than its factorization.

30140210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42529.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30140210 is about 5490.0100182058. The cubic root of 30140210 is about 311.2065707162.

Adding to 30140210 its reverse (1204103), we get a palindrome (31344313).

The spelling of 30140210 in words is "thirty million, one hundred forty thousand, two hundred ten".