2101333313 has 4 divisors (see below), whose sum is σ = 2102647428. Its totient is φ = 2100019200.

The previous prime is 2101333259. The next prime is 2101333349. The reversal of 2101333313 is 3133331012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1595443249 + 505890064 = 39943^2 + 22492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101333313 - 2¹⁴ = 2101316929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101333513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654656 + ... + 657857.

It is an arithmetic number, because the mean of its divisors is an integer number (525661857).

Almost surely, 2^2101333313 is an apocalyptic number.

It is an amenable number.

2101333313 is a deficient number, since it is larger than the sum of its proper divisors (1314115).

2101333313 is a wasteful number, since it uses less digits than its factorization.

2101333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314114.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 2101333313 is about 45840.3022786718. The cubic root of 2101333313 is about 1280.8501255627.

Adding to 2101333313 its reverse (3133331012), we get a palindrome (5234664325).

The spelling of 2101333313 in words is "two billion, one hundred one million, three hundred thirty-three thousand, three hundred thirteen".