321480213 has 8 divisors (see below), whose sum is σ = 433059648. Its totient is φ = 212110464.

The previous prime is 321480197. The next prime is 321480281. The reversal of 321480213 is 312084123.

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

It is not a de Polignac number, because 321480213 - 2⁴ = 321480197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321480113) 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, 552081 + ... + 552662.

It is an arithmetic number, because the mean of its divisors is an integer number (54132456).

Almost surely, 2^321480213 is an apocalyptic number.

It is an amenable number.

321480213 is a deficient number, since it is larger than the sum of its proper divisors (111579435).

321480213 is a wasteful number, since it uses less digits than its factorization.

321480213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104843.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 321480213 is about 17929.8692967908. The cubic root of 321480213 is about 685.0433936316.

The spelling of 321480213 in words is "three hundred twenty-one million, four hundred eighty thousand, two hundred thirteen".