33031421204 has 48 divisors (see below), whose sum is σ = 60584122368. Its totient is φ = 15728199168.

The previous prime is 33031421201. The next prime is 33031421221. The reversal of 33031421204 is 40212413033.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 33031421204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33031421201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30387149 + ... + 30388235.

It is an arithmetic number, because the mean of its divisors is an integer number (1262169216).

Almost surely, 2^33031421204 is an apocalyptic number.

It is an amenable number.

33031421204 is a deficient number, since it is larger than the sum of its proper divisors (27552701164).

33031421204 is a wasteful number, since it uses less digits than its factorization.

33031421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33031421204 its reverse (40212413033), we get a palindrome (73243834237).

The spelling of 33031421204 in words is "thirty-three billion, thirty-one million, four hundred twenty-one thousand, two hundred four".