33270131 has 2 divisors, whose sum is σ = 33270132. Its totient is φ = 33270130.

The previous prime is 33270109. The next prime is 33270151. The reversal of 33270131 is 13107233.

It is a happy number.

It is an a-pointer prime, because the next prime (33270151) can be obtained adding 33270131 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33270131 is a prime.

It is a super-2 number, since 2×33270131² = 2213803233514322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (33270151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16635065 + 16635066.

It is an arithmetic number, because the mean of its divisors is an integer number (16635066).

Almost surely, 2^33270131 is an apocalyptic number.

33270131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33270131 is an equidigital number, since it uses as much as digits as its factorization.

33270131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 33270131 is about 5768.0266122826. The cubic root of 33270131 is about 321.6262622372.

Adding to 33270131 its reverse (13107233), we get a palindrome (46377364).

The spelling of 33270131 in words is "thirty-three million, two hundred seventy thousand, one hundred thirty-one".