33105430525013 has 32 divisors (see below), whose sum is σ = 41588552805120. Its totient is φ = 25600439554560.

The previous prime is 33105430525003. The next prime is 33105430525031. The reversal of 33105430525013 is 31052503450133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33105430525013 - 2⁸ = 33105430524757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33105430525003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8087495 + ... + 11472507.

It is an arithmetic number, because the mean of its divisors is an integer number (1299642275160).

Almost surely, 2^{33105430525013} is an apocalyptic number.

It is an amenable number.

33105430525013 is a deficient number, since it is larger than the sum of its proper divisors (8483122280107).

33105430525013 is a wasteful number, since it uses less digits than its factorization.

33105430525013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385997.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 33105430525013 its reverse (31052503450133), we get a palindrome (64157933975146).

The spelling of 33105430525013 in words is "thirty-three trillion, one hundred five billion, four hundred thirty million, five hundred twenty-five thousand, thirteen".