2321021013 has 8 divisors (see below), whose sum is σ = 3095076576. Its totient is φ = 1547156400.

The previous prime is 2321020993. The next prime is 2321021071. The reversal of 2321021013 is 3101201232.

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

It is not a de Polignac number, because 2321021013 - 2¹³ = 2321012821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321020983 and 2321021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321021083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16443 + ... + 70088.

It is an arithmetic number, because the mean of its divisors is an integer number (386884572).

Almost surely, 2^2321021013 is an apocalyptic number.

It is an amenable number.

2321021013 is a deficient number, since it is larger than the sum of its proper divisors (774055563).

2321021013 is an equidigital number, since it uses as much as digits as its factorization.

2321021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95475.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2321021013 is about 48176.9759636281. The cubic root of 2321021013 is about 1324.0153620781.

Adding to 2321021013 its reverse (3101201232), we get a palindrome (5422222245).

The spelling of 2321021013 in words is "two billion, three hundred twenty-one million, twenty-one thousand, thirteen".