211204103313 has 16 divisors (see below), whose sum is σ = 329684455296. Its totient is φ = 117744447360.

The previous prime is 211204103221. The next prime is 211204103353. The reversal of 211204103313 is 313301402112.

It is not a de Polignac number, because 211204103313 - 2²⁶ = 211136994449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 211204103313.

It is not an unprimeable number, because it can be changed into a prime (211204103353) 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, 122649606 + ... + 122651327.

It is an arithmetic number, because the mean of its divisors is an integer number (20605278456).

Almost surely, 2^211204103313 is an apocalyptic number.

It is an amenable number.

211204103313 is a deficient number, since it is larger than the sum of its proper divisors (118480351983).

211204103313 is a wasteful number, since it uses less digits than its factorization.

211204103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245300984.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211204103313 its reverse (313301402112), we get a palindrome (524505505425).

The spelling of 211204103313 in words is "two hundred eleven billion, two hundred four million, one hundred three thousand, three hundred thirteen".