33144113 has 16 divisors (see below), whose sum is σ = 36099840. Its totient is φ = 30326400.

The previous prime is 33144109. The next prime is 33144121. The reversal of 33144113 is 31144133.

It is a cyclic number.

It is not a de Polignac number, because 33144113 - 2² = 33144109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33144313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122168 + ... + 122438.

It is an arithmetic number, because the mean of its divisors is an integer number (2256240).

Almost surely, 2^33144113 is an apocalyptic number.

It is an amenable number.

33144113 is a deficient number, since it is larger than the sum of its proper divisors (2955727).

33144113 is a wasteful number, since it uses less digits than its factorization.

33144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 432, while the sum is 20.

The square root of 33144113 is about 5757.0924084993. The cubic root of 33144113 is about 321.2196715200.

Adding to 33144113 its sum of digits (20), we get a palindrome (33144133).

Adding to 33144113 its reverse (31144133), we get a palindrome (64288246).

It can be divided in two parts, 331 and 44113, that added together give a palindrome (44444).

The spelling of 33144113 in words is "thirty-three million, one hundred forty-four thousand, one hundred thirteen".