30321034 has 4 divisors (see below), whose sum is σ = 45481554. Its totient is φ = 15160516.

The previous prime is 30321029. The next prime is 30321041. The reversal of 30321034 is 43012303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43012303 = 499 ⋅86197.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 38025 = 5503^2 + 195^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30320999 and 30321017.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7580257 + ... + 7580260.

Almost surely, 2^30321034 is an apocalyptic number.

30321034 is a deficient number, since it is larger than the sum of its proper divisors (15160520).

30321034 is a wasteful number, since it uses less digits than its factorization.

30321034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160519.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30321034 is about 5506.4538498021. The cubic root of 30321034 is about 311.8276839958.

Adding to 30321034 its reverse (43012303), we get a palindrome (73333337).

The spelling of 30321034 in words is "thirty million, three hundred twenty-one thousand, thirty-four".