2013321421 has 8 divisors (see below), whose sum is σ = 2044483200. Its totient is φ = 1982349600.

The previous prime is 2013321403. The next prime is 2013321437. The reversal of 2013321421 is 1241233102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2013321421 - 2⁹ = 2013320909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013321521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26055 + ... + 68596.

It is an arithmetic number, because the mean of its divisors is an integer number (255560400).

Almost surely, 2^2013321421 is an apocalyptic number.

It is an amenable number.

2013321421 is a deficient number, since it is larger than the sum of its proper divisors (31161779).

2013321421 is an equidigital number, since it uses as much as digits as its factorization.

2013321421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94979.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2013321421 is about 44870.0503788440. The cubic root of 2013321421 is about 1262.7121851777.

Adding to 2013321421 its reverse (1241233102), we get a palindrome (3254554523).

The spelling of 2013321421 in words is "two billion, thirteen million, three hundred twenty-one thousand, four hundred twenty-one".