213103230313 has 4 divisors (see below), whose sum is σ = 213131815380. Its totient is φ = 213074645248.

The previous prime is 213103230289. The next prime is 213103230359. The reversal of 213103230313 is 313032301312.

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 37619317849 + 175483912464 = 193957^2 + 418908^2 .

It is a cyclic number.

It is not a de Polignac number, because 213103230313 - 2¹⁷ = 213103099241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213103230013) 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, 14281348 + ... + 14296261.

It is an arithmetic number, because the mean of its divisors is an integer number (53282953845).

Almost surely, 2^213103230313 is an apocalyptic number.

It is an amenable number.

213103230313 is a deficient number, since it is larger than the sum of its proper divisors (28585067).

213103230313 is an equidigital number, since it uses as much as digits as its factorization.

213103230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28585066.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213103230313 its reverse (313032301312), we get a palindrome (526135531625).

The spelling of 213103230313 in words is "two hundred thirteen billion, one hundred three million, two hundred thirty thousand, three hundred thirteen".