33120030113 has 4 divisors (see below), whose sum is σ = 34015166100. Its totient is φ = 32224894128.

The previous prime is 33120030049. The next prime is 33120030121. The reversal of 33120030113 is 31103002133.

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 19838159104 + 13281871009 = 140848^2 + 115247^2 .

It is a cyclic number.

It is not a de Polignac number, because 33120030113 - 2⁶ = 33120030049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33120030091 and 33120030100.

It is not an unprimeable number, because it can be changed into a prime (33120030313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447567938 + ... + 447568011.

It is an arithmetic number, because the mean of its divisors is an integer number (8503791525).

Almost surely, 2^33120030113 is an apocalyptic number.

It is an amenable number.

33120030113 is a deficient number, since it is larger than the sum of its proper divisors (895135987).

33120030113 is an equidigital number, since it uses as much as digits as its factorization.

33120030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895135986.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 33120030113 its reverse (31103002133), we get a palindrome (64223032246).

The spelling of 33120030113 in words is "thirty-three billion, one hundred twenty million, thirty thousand, one hundred thirteen".