33421001313331 has 4 divisors (see below), whose sum is σ = 33422310067432. Its totient is φ = 33419692559232.

The previous prime is 33421001313319. The next prime is 33421001313353. The reversal of 33421001313331 is 13331310012433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33421001313331 is a prime.

It is a super-2 number, since 2×33421001313331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33421001313331.

It is not an unprimeable number, because it can be changed into a prime (33421001313431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654338745 + ... + 654389818.

It is an arithmetic number, because the mean of its divisors is an integer number (8355577516858).

Almost surely, 2^{33421001313331} is an apocalyptic number.

33421001313331 is a deficient number, since it is larger than the sum of its proper divisors (1308754101).

33421001313331 is a wasteful number, since it uses less digits than its factorization.

33421001313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308754100.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 33421001313331 its reverse (13331310012433), we get a palindrome (46752311325764).

The spelling of 33421001313331 in words is "thirty-three trillion, four hundred twenty-one billion, one million, three hundred thirteen thousand, three hundred thirty-one".