30512242 has 8 divisors (see below), whose sum is σ = 45907632. Its totient is φ = 15209700.

The previous prime is 30512239. The next prime is 30512243. The reversal of 30512242 is 24221503.

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

It is not an unprimeable number, because it can be changed into a prime (30512243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22384 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (5738454).

Almost surely, 2^30512242 is an apocalyptic number.

30512242 is a deficient number, since it is larger than the sum of its proper divisors (15395390).

30512242 is a wasteful number, since it uses less digits than its factorization.

30512242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46424.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30512242 is about 5523.7887360036. The cubic root of 30512242 is about 312.4817849650.

Adding to 30512242 its reverse (24221503), we get a palindrome (54733745).

The spelling of 30512242 in words is "thirty million, five hundred twelve thousand, two hundred forty-two".