33130133433 has 20 divisors (see below), whose sum is σ = 49495630800. Its totient is φ = 22084552152.

The previous prime is 33130133431. The next prime is 33130133437. The reversal of 33130133433 is 33433103133.

33130133433 is a `hidden beast` number, since 3 + 313 + 0 + 1 + 3 + 343 + 3 = 666.

It is not a de Polignac number, because 33130133433 - 2¹ = 33130133431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33130133397 and 33130133406.

It is not an unprimeable number, because it can be changed into a prime (33130133431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1422718 + ... + 1445816.

It is an arithmetic number, because the mean of its divisors is an integer number (2474781540).

Almost surely, 2^33130133433 is an apocalyptic number.

It is an amenable number.

33130133433 is a deficient number, since it is larger than the sum of its proper divisors (16365497367).

33130133433 is a wasteful number, since it uses less digits than its factorization.

33130133433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40818 (or 40809 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 33130133433 its reverse (33433103133), we get a palindrome (66563236566).

The spelling of 33130133433 in words is "thirty-three billion, one hundred thirty million, one hundred thirty-three thousand, four hundred thirty-three".