213230020301 has 4 divisors (see below), whose sum is σ = 213473156892. Its totient is φ = 212986883712.

The previous prime is 213230020279. The next prime is 213230020433. The reversal of 213230020301 is 103020032312.

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 154193655625 + 59036364676 = 392675^2 + 242974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213230020301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213230020301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230026301) 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, 121566980 + ... + 121568733.

It is an arithmetic number, because the mean of its divisors is an integer number (53368289223).

Almost surely, 2^213230020301 is an apocalyptic number.

It is an amenable number.

213230020301 is a deficient number, since it is larger than the sum of its proper divisors (243136591).

213230020301 is an equidigital number, since it uses as much as digits as its factorization.

213230020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243136590.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213230020301 its reverse (103020032312), we get a palindrome (316250052613).

The spelling of 213230020301 in words is "two hundred thirteen billion, two hundred thirty million, twenty thousand, three hundred one".