33421211343 has 36 divisors (see below), whose sum is σ = 52540024680. Its totient is φ = 20462315328.

The previous prime is 33421211333. The next prime is 33421211359. The reversal of 33421211343 is 34311212433.

It is a happy number.

33421211343 is a `hidden beast` number, since 334 + 212 + 113 + 4 + 3 = 666.

It is not a de Polignac number, because 33421211343 - 2⁶ = 33421211279 is a prime.

It is a super-2 number, since 2×33421211343² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421211323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 243868 + ... + 355406.

It is an arithmetic number, because the mean of its divisors is an integer number (1459445130).

Almost surely, 2^33421211343 is an apocalyptic number.

33421211343 is a deficient number, since it is larger than the sum of its proper divisors (19118813337).

33421211343 is a wasteful number, since it uses less digits than its factorization.

33421211343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111768 (or 111752 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 33421211343 its reverse (34311212433), we get a palindrome (67732423776).

The spelling of 33421211343 in words is "thirty-three billion, four hundred twenty-one million, two hundred eleven thousand, three hundred forty-three".