9913312213 has 4 divisors (see below), whose sum is σ = 11329499680. Its totient is φ = 8497124748.

The previous prime is 9913312193. The next prime is 9913312229. The reversal of 9913312213 is 3122133199.

9913312213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 9913312213 - 2¹³ = 9913304021 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 (9913312243) 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, 708093723 + ... + 708093736.

It is an arithmetic number, because the mean of its divisors is an integer number (2832374920).

Almost surely, 2^9913312213 is an apocalyptic number.

It is an amenable number.

9913312213 is a deficient number, since it is larger than the sum of its proper divisors (1416187467).

9913312213 is a wasteful number, since it uses less digits than its factorization.

9913312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416187466.

The product of its digits is 8748, while the sum is 34.

The square root of 9913312213 is about 99565.6176247604. The cubic root of 9913312213 is about 2148.1911747246.

The spelling of 9913312213 in words is "nine billion, nine hundred thirteen million, three hundred twelve thousand, two hundred thirteen".