213300321 has 32 divisors (see below), whose sum is σ = 320931072. Its totient is φ = 125030400.

The previous prime is 213300317. The next prime is 213300341. The reversal of 213300321 is 123003312.

213300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213300321 - 2² = 213300317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213300321.

It is not an unprimeable number, because it can be changed into a prime (213300341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359401 + ... + 359993.

It is an arithmetic number, because the mean of its divisors is an integer number (10029096).

Almost surely, 2^213300321 is an apocalyptic number.

It is an amenable number.

213300321 is a deficient number, since it is larger than the sum of its proper divisors (107630751).

213300321 is a wasteful number, since it uses less digits than its factorization.

213300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213300321 is about 14604.8047231040. The cubic root of 213300321 is about 597.4898101120.

Adding to 213300321 its reverse (123003312), we get a palindrome (336303633).

The spelling of 213300321 in words is "two hundred thirteen million, three hundred thousand, three hundred twenty-one".