33130213331 has 4 divisors (see below), whose sum is σ = 33549583200. Its totient is φ = 32710843464.

The previous prime is 33130213307. The next prime is 33130213367. The reversal of 33130213331 is 13331203133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13331203133 = 73 ⋅182619221.

It is a cyclic number.

It is not a de Polignac number, because 33130213331 - 2¹⁴ = 33130196947 is a prime.

It is a super-2 number, since 2×33130213331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33130213297 and 33130213306.

It is not an unprimeable number, because it can be changed into a prime (33130215331) 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, 209684816 + ... + 209684973.

It is an arithmetic number, because the mean of its divisors is an integer number (8387395800).

Almost surely, 2^33130213331 is an apocalyptic number.

33130213331 is a deficient number, since it is larger than the sum of its proper divisors (419369869).

33130213331 is an equidigital number, since it uses as much as digits as its factorization.

33130213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419369868.

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

Adding to 33130213331 its reverse (13331203133), we get a palindrome (46461416464).

The spelling of 33130213331 in words is "thirty-three billion, one hundred thirty million, two hundred thirteen thousand, three hundred thirty-one".