1321350213 has 8 divisors (see below), whose sum is σ = 1762020000. Its totient is φ = 880790288.

The previous prime is 1321350197. The next prime is 1321350281. The reversal of 1321350213 is 3120531231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321350213 - 2⁴ = 1321350197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1321350213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321850213) 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, 6658 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (220252500).

Almost surely, 2^1321350213 is an apocalyptic number.

It is an amenable number.

1321350213 is a deficient number, since it is larger than the sum of its proper divisors (440669787).

1321350213 is an equidigital number, since it uses as much as digits as its factorization.

1321350213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54931.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1321350213 is about 36350.3811947000. The cubic root of 1321350213 is about 1097.3352061173.

Adding to 1321350213 its reverse (3120531231), we get a palindrome (4441881444).

The spelling of 1321350213 in words is "one billion, three hundred twenty-one million, three hundred fifty thousand, two hundred thirteen".