33331361 has 8 divisors (see below), whose sum is σ = 38662080. Its totient is φ = 28142928.

The previous prime is 33331351. The next prime is 33331399. The reversal of 33331361 is 16313333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33331361 - 2²² = 29137057 is a prime.

It is a super-2 number, since 2×33331361² = 2221959252224642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33331351) 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 7 ways as a sum of consecutive naturals, for example, 35066 + ... + 36003.

It is an arithmetic number, because the mean of its divisors is an integer number (4832760).

Almost surely, 2^33331361 is an apocalyptic number.

It is an amenable number.

33331361 is a deficient number, since it is larger than the sum of its proper divisors (5330719).

33331361 is an equidigital number, since it uses as much as digits as its factorization.

33331361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71143.

The product of its digits is 1458, while the sum is 23.

The square root of 33331361 is about 5773.3318802923. The cubic root of 33331361 is about 321.8234471870.

Adding to 33331361 its reverse (16313333), we get a palindrome (49644694).

The spelling of 33331361 in words is "thirty-three million, three hundred thirty-one thousand, three hundred sixty-one".