326312213 has 8 divisors (see below), whose sum is σ = 352770720. Its totient is φ = 300782160.

The previous prime is 326312209. The next prime is 326312219. The reversal of 326312213 is 312213623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326312213 - 2² = 326312209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326312219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231383 + ... + 232788.

It is an arithmetic number, because the mean of its divisors is an integer number (44096340).

Almost surely, 2^326312213 is an apocalyptic number.

It is an amenable number.

326312213 is a deficient number, since it is larger than the sum of its proper divisors (26458507).

326312213 is a wasteful number, since it uses less digits than its factorization.

326312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464227.

The product of its digits is 1296, while the sum is 23.

The square root of 326312213 is about 18064.1139555750. The cubic root of 326312213 is about 688.4585157061.

Adding to 326312213 its reverse (312213623), we get a palindrome (638525836).

The spelling of 326312213 in words is "three hundred twenty-six million, three hundred twelve thousand, two hundred thirteen".