2112321413 has 8 divisors (see below), whose sum is σ = 2155937688. Its totient is φ = 2068844544.

The previous prime is 2112321361. The next prime is 2112321439. The reversal of 2112321413 is 3141232112.

It can be written as a sum of positive squares in 4 ways, for example, as 1323722689 + 788598724 = 36383^2 + 28082^2 .

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 2112321413 - 2¹⁶ = 2112255877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112321443) 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, 3956 + ... + 65117.

It is an arithmetic number, because the mean of its divisors is an integer number (269492211).

Almost surely, 2^2112321413 is an apocalyptic number.

It is an amenable number.

2112321413 is a deficient number, since it is larger than the sum of its proper divisors (43616275).

2112321413 is an equidigital number, since it uses as much as digits as its factorization.

2112321413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69703.

The product of its digits is 288, while the sum is 20.

The square root of 2112321413 is about 45959.9979656222. The cubic root of 2112321413 is about 1283.0788134970.

Adding to 2112321413 its reverse (3141232112), we get a palindrome (5253553525).

The spelling of 2112321413 in words is "two billion, one hundred twelve million, three hundred twenty-one thousand, four hundred thirteen".