30512141 has 8 divisors (see below), whose sum is σ = 33403104. Its totient is φ = 27640720.

The previous prime is 30512129. The next prime is 30512143. The reversal of 30512141 is 14121503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30512141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30512143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (4175388).

Almost surely, 2^30512141 is an apocalyptic number.

It is an amenable number.

30512141 is a deficient number, since it is larger than the sum of its proper divisors (2890963).

30512141 is a wasteful number, since it uses less digits than its factorization.

30512141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9771.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 30512141 is about 5523.7795937202. The cubic root of 30512141 is about 312.4814401777.

Adding to 30512141 its reverse (14121503), we get a palindrome (44633644).

The spelling of 30512141 in words is "thirty million, five hundred twelve thousand, one hundred forty-one".