213013300109 has 4 divisors (see below), whose sum is σ = 213238235904. Its totient is φ = 212788364316.

The previous prime is 213013299997. The next prime is 213013300121. The reversal of 213013300109 is 901003310312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213013300109 - 2²⁸ = 212744864653 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 (213013303109) 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, 112466477 + ... + 112468370.

It is an arithmetic number, because the mean of its divisors is an integer number (53309558976).

Almost surely, 2^213013300109 is an apocalyptic number.

It is an amenable number.

213013300109 is a deficient number, since it is larger than the sum of its proper divisors (224935795).

213013300109 is an equidigital number, since it uses as much as digits as its factorization.

213013300109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224935794.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 213013300109 in words is "two hundred thirteen billion, thirteen million, three hundred thousand, one hundred nine".