13421213331 has 8 divisors (see below), whose sum is σ = 18836790720. Its totient is φ = 8476555752.

The previous prime is 13421213297. The next prime is 13421213341. The reversal of 13421213331 is 13331212431.

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

It is not a de Polignac number, because 13421213331 - 2¹⁰ = 13421212307 is a prime.

It is a super-2 number, since 2×13421213331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13421213341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117729885 + ... + 117729998.

It is an arithmetic number, because the mean of its divisors is an integer number (2354598840).

Almost surely, 2^13421213331 is an apocalyptic number.

13421213331 is a deficient number, since it is larger than the sum of its proper divisors (5415577389).

13421213331 is a wasteful number, since it uses less digits than its factorization.

13421213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235459905.

The product of its digits is 1296, while the sum is 24.

Adding to 13421213331 its reverse (13331212431), we get a palindrome (26752425762).

The spelling of 13421213331 in words is "thirteen billion, four hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-one".