2123313113 has 8 divisors (see below), whose sum is σ = 2153377800. Its totient is φ = 2093275008.

The previous prime is 2123313091. The next prime is 2123313151. The reversal of 2123313113 is 3113133212.

It can be written as a sum of positive squares in 4 ways, for example, as 1167452224 + 955860889 = 34168^2 + 30917^2 .

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 2123313113 - 2¹² = 2123309017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123303113) 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, 198383 + ... + 208811.

It is an arithmetic number, because the mean of its divisors is an integer number (269172225).

Almost surely, 2^2123313113 is an apocalyptic number.

It is an amenable number.

2123313113 is a deficient number, since it is larger than the sum of its proper divisors (30064687).

2123313113 is a wasteful number, since it uses less digits than its factorization.

2123313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13291.

The product of its digits is 324, while the sum is 20.

The square root of 2123313113 is about 46079.4217954175. The cubic root of 2123313113 is about 1285.3005122131.

Adding to 2123313113 its reverse (3113133212), we get a palindrome (5236446325).

The spelling of 2123313113 in words is "two billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred thirteen".