213120301 has 4 divisors (see below), whose sum is σ = 213211900. Its totient is φ = 213028704.

The previous prime is 213120269. The next prime is 213120307. The reversal of 213120301 is 103021312.

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 52490025 + 160630276 = 7245^2 + 12674^2 .

It is a cyclic number.

It is not a de Polignac number, because 213120301 - 2⁵ = 213120269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42216 + ... + 46993.

It is an arithmetic number, because the mean of its divisors is an integer number (53302975).

Almost surely, 2^213120301 is an apocalyptic number.

It is an amenable number.

213120301 is a deficient number, since it is larger than the sum of its proper divisors (91599).

213120301 is an equidigital number, since it uses as much as digits as its factorization.

213120301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91598.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213120301 is about 14598.6403818986. The cubic root of 213120301 is about 597.3216741107.

Adding to 213120301 its reverse (103021312), we get a palindrome (316141613).

The spelling of 213120301 in words is "two hundred thirteen million, one hundred twenty thousand, three hundred one".