30143230 has 16 divisors (see below), whose sum is σ = 58431744. Its totient is φ = 11129760.

The previous prime is 30143207. The next prime is 30143237. The reversal of 30143230 is 3234103.

It is a super-2 number, since 2×30143230² = 1817228629665800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143237) 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, 115806 + ... + 116065.

It is an arithmetic number, because the mean of its divisors is an integer number (3651984).

Almost surely, 2^30143230 is an apocalyptic number.

30143230 is a deficient number, since it is larger than the sum of its proper divisors (28288514).

30143230 is a wasteful number, since it uses less digits than its factorization.

30143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231891.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30143230 is about 5490.2850563518. The cubic root of 30143230 is about 311.2169644997.

Adding to 30143230 its reverse (3234103), we get a palindrome (33377333).

The spelling of 30143230 in words is "thirty million, one hundred forty-three thousand, two hundred thirty".