213200103321 has 20 divisors (see below), whose sum is σ = 323705163364. Its totient is φ = 139803343200.

The previous prime is 213200103313. The next prime is 213200103341. The reversal of 213200103321 is 123301002312.

213200103321 is a `hidden beast` number, since 2 + 1 + 320 + 0 + 10 + 332 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5023265625 + 208176837696 = 70875^2 + 456264^2 .

It is not a de Polignac number, because 213200103321 - 2³ = 213200103313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213200103294 and 213200103303.

It is not an unprimeable number, because it can be changed into a prime (213200103301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21569650 + ... + 21579531.

Almost surely, 2^213200103321 is an apocalyptic number.

It is an amenable number.

213200103321 is a deficient number, since it is larger than the sum of its proper divisors (110505060043).

213200103321 is an equidigital number, since it uses as much as digits as its factorization.

213200103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43149254 (or 43149245 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213200103321 its reverse (123301002312), we get a palindrome (336501105633).

The spelling of 213200103321 in words is "two hundred thirteen billion, two hundred million, one hundred three thousand, three hundred twenty-one".