33130201 has 4 divisors (see below), whose sum is σ = 35678692. Its totient is φ = 30581712.

The previous prime is 33130199. The next prime is 33130213. The reversal of 33130201 is 10203133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10203133 = 19 ⋅537007.

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 25512601 = 2760^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130201 - 2¹ = 33130199 is a prime.

It is a super-2 number, since 2×33130201² = 2195220436600802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 2548477 = 33130201 / (3 + 3 + 1 + 3 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33130231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274226 + ... + 1274251.

It is an arithmetic number, because the mean of its divisors is an integer number (8919673).

Almost surely, 2^33130201 is an apocalyptic number.

It is an amenable number.

33130201 is a deficient number, since it is larger than the sum of its proper divisors (2548491).

33130201 is a wasteful number, since it uses less digits than its factorization.

33130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548490.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 33130201 is about 5755.8840328832. The cubic root of 33130201 is about 321.1747220246.

Adding to 33130201 its reverse (10203133), we get a palindrome (43333334).

The spelling of 33130201 in words is "thirty-three million, one hundred thirty thousand, two hundred one".