33133213100 has 36 divisors (see below), whose sum is σ = 77429773344. Its totient is φ = 12233801280.

The previous prime is 33133213093. The next prime is 33133213151. The reversal of 33133213100 is 131233133.

It is a super-2 number, since 2×33133213100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12742244 + ... + 12744843.

Almost surely, 2^33133213100 is an apocalyptic number.

It is an amenable number.

33133213100 is an abundant number, since it is smaller than the sum of its proper divisors (44296560244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33133213100 is a wasteful number, since it uses less digits than its factorization.

33133213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25487114 (or 25487107 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 33133213100 its reverse (131233133), we get a palindrome (33264446233).

The spelling of 33133213100 in words is "thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred".