33310113012 has 72 divisors (see below), whose sum is σ = 91931243040. Its totient is φ = 10085613120.

The previous prime is 33310112989. The next prime is 33310113049. The reversal of 33310113012 is 21031101333.

It is a happy number.

It is a super-2 number, since 2×33310113012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452463 + ... + 520905.

It is an arithmetic number, because the mean of its divisors is an integer number (1276822820).

Almost surely, 2^33310113012 is an apocalyptic number.

It is an amenable number.

33310113012 is an abundant number, since it is smaller than the sum of its proper divisors (58621130028).

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

33310113012 is a wasteful number, since it uses less digits than its factorization.

33310113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69693 (or 69688 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 33310113012 its reverse (21031101333), we get a palindrome (54341214345).

The spelling of 33310113012 in words is "thirty-three billion, three hundred ten million, one hundred thirteen thousand, twelve".