213102130221313 has 4 divisors (see below), whose sum is σ = 213102655792468. Its totient is φ = 213101604650160.

The previous prime is 213102130221287. The next prime is 213102130221349. The reversal of 213102130221313 is 313122031201312.

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 74205251377009 + 138896878844304 = 8614247^2 + 11785452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213102130221313 is a prime.

It is a super-3 number, since 3×213102130221313³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213102130221373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262176906 + ... + 262988467.

It is an arithmetic number, because the mean of its divisors is an integer number (53275663948117).

Almost surely, 2^{213102130221313} is an apocalyptic number.

It is an amenable number.

213102130221313 is a deficient number, since it is larger than the sum of its proper divisors (525571155).

213102130221313 is an equidigital number, since it uses as much as digits as its factorization.

213102130221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525571154.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213102130221313 its reverse (313122031201312), we get a palindrome (526224161422625).

The spelling of 213102130221313 in words is "two hundred thirteen trillion, one hundred two billion, one hundred thirty million, two hundred twenty-one thousand, three hundred thirteen".