30143104 has 16 divisors (see below), whose sum is σ = 60050970. Its totient is φ = 15071488.

The previous prime is 30143081. The next prime is 30143111. The reversal of 30143104 is 40134103.

It can be written as a sum of positive squares in only one way, i.e., 29680704 + 462400 = 5448^2 + 680^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117619 + ... + 117874.

Almost surely, 2^30143104 is an apocalyptic number.

It is an amenable number.

30143104 is a deficient number, since it is larger than the sum of its proper divisors (29907866).

30143104 is an equidigital number, since it uses as much as digits as its factorization.

30143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235507 (or 235495 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30143104 is about 5490.2735815258. The cubic root of 30143104 is about 311.2165308656.

Adding to 30143104 its reverse (40134103), we get a palindrome (70277207).

Subtracting 30143104 from its reverse (40134103), we obtain a palindrome (9990999).

The spelling of 30143104 in words is "thirty million, one hundred forty-three thousand, one hundred four".