33103113012 has 18 divisors (see below), whose sum is σ = 83677313538. Its totient is φ = 11034370992.

The previous prime is 33103112969. The next prime is 33103113023. The reversal of 33103113012 is 21031130133.

It is a happy number.

33103113012 is a `hidden beast` number, since 3 + 310 + 311 + 30 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30424429476 + 2678683536 = 174426^2 + 51756^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459765423 + ... + 459765494.

It is an arithmetic number, because the mean of its divisors is an integer number (4648739641).

Almost surely, 2^33103113012 is an apocalyptic number.

It is an amenable number.

33103113012 is an abundant number, since it is smaller than the sum of its proper divisors (50574200526).

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

33103113012 is a wasteful number, since it uses less digits than its factorization.

33103113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919530927 (or 919530922 counting only the distinct ones).

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

Adding to 33103113012 its reverse (21031130133), we get a palindrome (54134243145).

The spelling of 33103113012 in words is "thirty-three billion, one hundred three million, one hundred thirteen thousand, twelve".