211002313 has 4 divisors (see below), whose sum is σ = 211172500. Its totient is φ = 210832128.

The previous prime is 211002293. The next prime is 211002343. The reversal of 211002313 is 313200112.

211002313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 171400464 + 39601849 = 13092^2 + 6293^2 .

It is a cyclic number.

It is not a de Polignac number, because 211002313 - 2⁹ = 211001801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002293 and 211002302.

It is not an unprimeable number, because it can be changed into a prime (211002343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83220 + ... + 85717.

It is an arithmetic number, because the mean of its divisors is an integer number (52793125).

Almost surely, 2^211002313 is an apocalyptic number.

It is an amenable number.

211002313 is a deficient number, since it is larger than the sum of its proper divisors (170187).

211002313 is a wasteful number, since it uses less digits than its factorization.

211002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170186.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 211002313 is about 14525.9186628592. The cubic root of 211002313 is about 595.3363566740.

Adding to 211002313 its reverse (313200112), we get a palindrome (524202425).

The spelling of 211002313 in words is "two hundred eleven million, two thousand, three hundred thirteen".