211400313 has 16 divisors (see below), whose sum is σ = 288368640. Its totient is φ = 137693456.

The previous prime is 211400311. The next prime is 211400317. The reversal of 211400313 is 313004112.

It is not a de Polignac number, because 211400313 - 2¹ = 211400311 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211400292 and 211400301.

It is not an unprimeable number, because it can be changed into a prime (211400311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117406 + ... + 119192.

It is an arithmetic number, because the mean of its divisors is an integer number (18023040).

Almost surely, 2^211400313 is an apocalyptic number.

It is an amenable number.

211400313 is a deficient number, since it is larger than the sum of its proper divisors (76968327).

211400313 is a wasteful number, since it uses less digits than its factorization.

211400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211400313 is about 14539.6118586433. The cubic root of 211400313 is about 595.7104363783.

Adding to 211400313 its reverse (313004112), we get a palindrome (524404425).

The spelling of 211400313 in words is "two hundred eleven million, four hundred thousand, three hundred thirteen".