30141233 has 4 divisors (see below), whose sum is σ = 30361380. Its totient is φ = 29921088.

The previous prime is 30141229. The next prime is 30141253. The reversal of 30141233 is 33214103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 18079504 = 3473^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 30141233 - 2² = 30141229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30141253) 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, 109868 + ... + 110141.

It is an arithmetic number, because the mean of its divisors is an integer number (7590345).

Almost surely, 2^30141233 is an apocalyptic number.

It is an amenable number.

30141233 is a deficient number, since it is larger than the sum of its proper divisors (220147).

30141233 is a wasteful number, since it uses less digits than its factorization.

30141233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220146.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30141233 is about 5490.1031866441. The cubic root of 30141233 is about 311.2100916020.

Adding to 30141233 its reverse (33214103), we get a palindrome (63355336).

The spelling of 30141233 in words is "thirty million, one hundred forty-one thousand, two hundred thirty-three".