30333141 has 12 divisors (see below), whose sum is σ = 43905420. Its totient is φ = 20180160.

The previous prime is 30333137. The next prime is 30333157. The reversal of 30333141 is 14133303.

It can be written as a sum of positive squares in 2 ways, for example, as 4536900 + 25796241 = 2130^2 + 5079^2 .

It is not a de Polignac number, because 30333141 - 2² = 30333137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30333131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (3658785).

Almost surely, 2^30333141 is an apocalyptic number.

It is an amenable number.

30333141 is a deficient number, since it is larger than the sum of its proper divisors (13572279).

30333141 is a wasteful number, since it uses less digits than its factorization.

30333141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30333141 is about 5507.5530864441. The cubic root of 30333141 is about 311.8691820902.

Adding to 30333141 its reverse (14133303), we get a palindrome (44466444).

The spelling of 30333141 in words is "thirty million, three hundred thirty-three thousand, one hundred forty-one".