33313412421 has 12 divisors (see below), whose sum is σ = 48569088672. Its totient is φ = 22001380776.

The previous prime is 33313412413. The next prime is 33313412453. The reversal of 33313412421 is 12421431333.

It is a happy number.

It is not a de Polignac number, because 33313412421 - 2³ = 33313412413 is a prime.

It is a super-2 number, since 2×33313412421² (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 (33313412021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17295721 + ... + 17297646.

It is an arithmetic number, because the mean of its divisors is an integer number (4047424056).

Almost surely, 2^33313412421 is an apocalyptic number.

It is an amenable number.

33313412421 is a deficient number, since it is larger than the sum of its proper divisors (15255676251).

33313412421 is a wasteful number, since it uses less digits than its factorization.

33313412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593480 (or 34593477 counting only the distinct ones).

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

Adding to 33313412421 its reverse (12421431333), we get a palindrome (45734843754).

The spelling of 33313412421 in words is "thirty-three billion, three hundred thirteen million, four hundred twelve thousand, four hundred twenty-one".