33130220413 has 4 divisors (see below), whose sum is σ = 33130884060. Its totient is φ = 33129556768.

The previous prime is 33130220411. The next prime is 33130220419. The reversal of 33130220413 is 31402203133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13985900644 + 19144319769 = 118262^2 + 138363^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130220413 - 2¹ = 33130220411 is a prime.

It is a super-3 number, since 3×33130220413³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250258 + ... + 359011.

It is an arithmetic number, because the mean of its divisors is an integer number (8282721015).

Almost surely, 2^33130220413 is an apocalyptic number.

It is an amenable number.

33130220413 is a deficient number, since it is larger than the sum of its proper divisors (663647).

33130220413 is an equidigital number, since it uses as much as digits as its factorization.

33130220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663646.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33130220413 its reverse (31402203133), we get a palindrome (64532423546).

The spelling of 33130220413 in words is "thirty-three billion, one hundred thirty million, two hundred twenty thousand, four hundred thirteen".