13310433020421 has 24 divisors (see below), whose sum is σ = 19232872588800. Its totient is φ = 8870534164800.

The previous prime is 13310433020411. The next prime is 13310433020429. The reversal of 13310433020421 is 12402033401331.

It is a happy number.

13310433020421 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 0 + 433 + 0 + 204 + 21 = 666.

It is not a de Polignac number, because 13310433020421 - 2⁷ = 13310433020293 is a prime.

It is a super-2 number, since 2×13310433020421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310433020429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409648986 + ... + 409681476.

It is an arithmetic number, because the mean of its divisors is an integer number (801369691200).

Almost surely, 2^{13310433020421} is an apocalyptic number.

It is an amenable number.

13310433020421 is a deficient number, since it is larger than the sum of its proper divisors (5922439568379).

13310433020421 is a wasteful number, since it uses less digits than its factorization.

13310433020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46937 (or 46934 counting only the distinct ones).

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

Adding to 13310433020421 its reverse (12402033401331), we get a palindrome (25712466421752).

The spelling of 13310433020421 in words is "thirteen trillion, three hundred ten billion, four hundred thirty-three million, twenty thousand, four hundred twenty-one".