33740131 has 2 divisors, whose sum is σ = 33740132. Its totient is φ = 33740130.

The previous prime is 33740117. The next prime is 33740159. The reversal of 33740131 is 13104733.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33740131 - 2⁵ = 33740099 is a prime.

It is a super-2 number, since 2×33740131² = 2276792879794322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33740101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16870065 + 16870066.

It is an arithmetic number, because the mean of its divisors is an integer number (16870066).

Almost surely, 2^33740131 is an apocalyptic number.

33740131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33740131 is an equidigital number, since it uses as much as digits as its factorization.

33740131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 33740131 is about 5808.6255689276. The cubic root of 33740131 is about 323.1337010029.

Adding to 33740131 its reverse (13104733), we get a palindrome (46844864).

The spelling of 33740131 in words is "thirty-three million, seven hundred forty thousand, one hundred thirty-one".