2321120213 has 8 divisors (see below), whose sum is σ = 2368079928. Its totient is φ = 2274277824.

The previous prime is 2321120111. The next prime is 2321120261. The reversal of 2321120213 is 3120211232.

It can be written as a sum of positive squares in 4 ways, for example, as 270207844 + 2050912369 = 16438^2 + 45287^2 .

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 2321120213 - 2¹⁰ = 2321119189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321120191 and 2321120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321120713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11195 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (296009991).

Almost surely, 2^2321120213 is an apocalyptic number.

It is an amenable number.

2321120213 is a deficient number, since it is larger than the sum of its proper divisors (46959715).

2321120213 is an equidigital number, since it uses as much as digits as its factorization.

2321120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58663.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321120213 is about 48178.0054900574. The cubic root of 2321120213 is about 1324.0342245316.

Adding to 2321120213 its reverse (3120211232), we get a palindrome (5441331445).

The spelling of 2321120213 in words is "two billion, three hundred twenty-one million, one hundred twenty thousand, two hundred thirteen".