33042313 has 2 divisors, whose sum is σ = 33042314. Its totient is φ = 33042312.

The previous prime is 33042307. The next prime is 33042319. The reversal of 33042313 is 31324033.

It is a balanced prime because it is at equal distance from previous prime (33042307) and next prime (33042319).

It can be written as a sum of positive squares in only one way, i.e., 33039504 + 2809 = 5748^2 + 53^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33042313 is a prime.

It is not a weakly prime, because it can be changed into another prime (33042319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16521156 + 16521157.

It is an arithmetic number, because the mean of its divisors is an integer number (16521157).

Almost surely, 2^33042313 is an apocalyptic number.

It is an amenable number.

33042313 is a deficient number, since it is larger than the sum of its proper divisors (1).

33042313 is an equidigital number, since it uses as much as digits as its factorization.

33042313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33042313 is about 5748.2443406661. The cubic root of 33042313 is about 320.8904657611.

Adding to 33042313 its reverse (31324033), we get a palindrome (64366346).

The spelling of 33042313 in words is "thirty-three million, forty-two thousand, three hundred thirteen".