30321153 has 24 divisors (see below), whose sum is σ = 47286720. Its totient is φ = 18664800.

The previous prime is 30321127. The next prime is 30321163. The reversal of 30321153 is 35112303.

It is not a de Polignac number, because 30321153 - 2⁵ = 30321121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30321113) 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 23 ways as a sum of consecutive naturals, for example, 3478 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (1970280).

Almost surely, 2^30321153 is an apocalyptic number.

It is an amenable number.

30321153 is a deficient number, since it is larger than the sum of its proper divisors (16965567).

30321153 is a wasteful number, since it uses less digits than its factorization.

30321153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30321153 is about 5506.4646552938. The cubic root of 30321153 is about 311.8280919353.

Adding to 30321153 its reverse (35112303), we get a palindrome (65433456).

The spelling of 30321153 in words is "thirty million, three hundred twenty-one thousand, one hundred fifty-three".