30330121 has 12 divisors (see below), whose sum is σ = 32224836. Its totient is φ = 28524960.

The previous prime is 30330107. The next prime is 30330127. The reversal of 30330121 is 12103303.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 16491721 = 3720^2 + 4061^2 .

It is not a de Polignac number, because 30330121 - 2⁵ = 30330089 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 (30330127) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 35131 + ... + 35983.

It is an arithmetic number, because the mean of its divisors is an integer number (2685403).

Almost surely, 2^30330121 is an apocalyptic number.

30330121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30330121 is a deficient number, since it is larger than the sum of its proper divisors (1894715).

30330121 is an equidigital number, since it uses as much as digits as its factorization.

30330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30330121 is about 5507.2789106781. The cubic root of 30330121 is about 311.8588317368.

Adding to 30330121 its reverse (12103303), we get a palindrome (42433424).

The spelling of 30330121 in words is "thirty million, three hundred thirty thousand, one hundred twenty-one".