211113211313 has 4 divisors (see below), whose sum is σ = 211898019060. Its totient is φ = 210328403568.

The previous prime is 211113211301. The next prime is 211113211333. The reversal of 211113211313 is 313112311112.

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 26893704049 + 184219507264 = 163993^2 + 429208^2 .

It is a cyclic number.

It is not a de Polignac number, because 211113211313 - 2⁴ = 211113211297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211113211333) 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, 392403470 + ... + 392404007.

It is an arithmetic number, because the mean of its divisors is an integer number (52974504765).

Almost surely, 2^211113211313 is an apocalyptic number.

It is an amenable number.

211113211313 is a deficient number, since it is larger than the sum of its proper divisors (784807747).

211113211313 is an equidigital number, since it uses as much as digits as its factorization.

211113211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784807746.

The product of its digits is 108, while the sum is 20.

Adding to 211113211313 its reverse (313112311112), we get a palindrome (524225522425).

The spelling of 211113211313 in words is "two hundred eleven billion, one hundred thirteen million, two hundred eleven thousand, three hundred thirteen".