30412143 has 6 divisors (see below), whose sum is σ = 43928664. Its totient is φ = 20274756.

The previous prime is 30412111. The next prime is 30412159. The reversal of 30412143 is 34121403.

It is not a de Polignac number, because 30412143 - 2⁵ = 30412111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30412843) 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 5 ways as a sum of consecutive naturals, for example, 1689555 + ... + 1689572.

It is an arithmetic number, because the mean of its divisors is an integer number (7321444).

Almost surely, 2^30412143 is an apocalyptic number.

30412143 is a deficient number, since it is larger than the sum of its proper divisors (13516521).

30412143 is a wasteful number, since it uses less digits than its factorization.

30412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379133 (or 3379130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30412143 is about 5514.7205731569. The cubic root of 30412143 is about 312.1396995204.

Adding to 30412143 its reverse (34121403), we get a palindrome (64533546).

It can be divided in two parts, 3041 and 2143, that added together give a square (5184 = 72²).

The spelling of 30412143 in words is "thirty million, four hundred twelve thousand, one hundred forty-three".