30320242 has 8 divisors (see below), whose sum is σ = 46709676. Its totient is φ = 14750352.

The previous prime is 30320239. The next prime is 30320243. The reversal of 30320242 is 24202303.

It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 606841 = 5451^2 + 779^2 .

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 (30320243) 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, 204793 + ... + 204940.

Almost surely, 2^30320242 is an apocalyptic number.

30320242 is a deficient number, since it is larger than the sum of its proper divisors (16389434).

30320242 is a wasteful number, since it uses less digits than its factorization.

30320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409772.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30320242 is about 5506.3819337202. The cubic root of 30320242 is about 311.8249689424.

Adding to 30320242 its reverse (24202303), we get a palindrome (54522545).

The spelling of 30320242 in words is "thirty million, three hundred twenty thousand, two hundred forty-two".