30231070 has 16 divisors (see below), whose sum is σ = 55229328. Its totient is φ = 11911680.

The previous prime is 30231059. The next prime is 30231077. The reversal of 30231070 is 7013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231077) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 21891 + ... + 23230.

It is an arithmetic number, because the mean of its divisors is an integer number (3451833).

Almost surely, 2^30231070 is an apocalyptic number.

30231070 is a deficient number, since it is larger than the sum of its proper divisors (24998258).

30231070 is a wasteful number, since it uses less digits than its factorization.

30231070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45195.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 30231070 is about 5498.2788215950. The cubic root of 30231070 is about 311.5189757821.

Adding to 30231070 its reverse (7013203), we get a palindrome (37244273).

The spelling of 30231070 in words is "thirty million, two hundred thirty-one thousand, seventy".