33330043320113 has 4 divisors (see below), whose sum is σ = 33330056562468. Its totient is φ = 33330030077760.

The previous prime is 33330043319933. The next prime is 33330043320169. The reversal of 33330043320113 is 31102334003333.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31238340622129 + 2091702697984 = 5589127^2 + 1446272^2 .

It is a cyclic number.

It is not a de Polignac number, because 33330043320113 - 2³⁸ = 33055165413169 is a prime.

It is a super-2 number, since 2×33330043320113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33330043320913) 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, 1552268 + ... + 8310813.

It is an arithmetic number, because the mean of its divisors is an integer number (8332514140617).

Almost surely, 2^{33330043320113} is an apocalyptic number.

It is an amenable number.

33330043320113 is a deficient number, since it is larger than the sum of its proper divisors (13242355).

33330043320113 is an equidigital number, since it uses as much as digits as its factorization.

33330043320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13242354.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 33330043320113 its reverse (31102334003333), we get a palindrome (64432377323446).

The spelling of 33330043320113 in words is "thirty-three trillion, three hundred thirty billion, forty-three million, three hundred twenty thousand, one hundred thirteen".