120321313 has 12 divisors (see below), whose sum is σ = 140393280. Its totient is φ = 103118148.

The previous prime is 120321307. The next prime is 120321337. The reversal of 120321313 is 313123021.

It is not a de Polignac number, because 120321313 - 2¹⁷ = 120190241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13228 + ... + 20386.

It is an arithmetic number, because the mean of its divisors is an integer number (11699440).

Almost surely, 2^120321313 is an apocalyptic number.

It is an amenable number.

120321313 is a deficient number, since it is larger than the sum of its proper divisors (20071967).

120321313 is an frugal number, since it uses more digits than its factorization.

120321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120321313 is about 10969.1072107077. The cubic root of 120321313 is about 493.6822591892.

Adding to 120321313 its reverse (313123021), we get a palindrome (433444334).

The spelling of 120321313 in words is "one hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".