33031421999 has 8 divisors (see below), whose sum is σ = 34103505408. Its totient is φ = 31972026240.

The previous prime is 33031421987. The next prime is 33031422001. The reversal of 33031421999 is 99912413033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33031421999 is a prime.

It is a super-3 number, since 3×33031421999³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33031421959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166622 + ... + 3177035.

It is an arithmetic number, because the mean of its divisors is an integer number (4262938176).

Almost surely, 2^33031421999 is an apocalyptic number.

33031421999 is a deficient number, since it is larger than the sum of its proper divisors (1072083409).

33031421999 is a wasteful number, since it uses less digits than its factorization.

33031421999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343825.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 33031421999 in words is "thirty-three billion, thirty-one million, four hundred twenty-one thousand, nine hundred ninety-nine".