30530143 has 8 divisors (see below), whose sum is σ = 35834912. Its totient is φ = 25461216.

The previous prime is 30530111. The next prime is 30530153. The reversal of 30530143 is 34103503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30530143 - 2⁵ = 30530111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30530143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530153) 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, 58680 + ... + 59197.

It is an arithmetic number, because the mean of its divisors is an integer number (4479364).

Almost surely, 2^30530143 is an apocalyptic number.

30530143 is a deficient number, since it is larger than the sum of its proper divisors (5304769).

30530143 is a wasteful number, since it uses less digits than its factorization.

30530143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117921.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30530143 is about 5525.4088536506. The cubic root of 30530143 is about 312.5428822220.

Adding to 30530143 its reverse (34103503), we get a palindrome (64633646).

The spelling of 30530143 in words is "thirty million, five hundred thirty thousand, one hundred forty-three".