120313321 has 4 divisors (see below), whose sum is σ = 121504644. Its totient is φ = 119122000.

The previous prime is 120313309. The next prime is 120313337. The reversal of 120313321 is 123313021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98783721 + 21529600 = 9939^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 120313321 - 2¹¹ = 120311273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120313295 and 120313304.

It is not an unprimeable number, because it can be changed into a prime (120310321) 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, 595510 + ... + 595711.

It is an arithmetic number, because the mean of its divisors is an integer number (30376161).

Almost surely, 2^120313321 is an apocalyptic number.

It is an amenable number.

120313321 is a deficient number, since it is larger than the sum of its proper divisors (1191323).

120313321 is a wasteful number, since it uses less digits than its factorization.

120313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191322.

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

The square root of 120313321 is about 10968.7429088296. The cubic root of 120313321 is about 493.6713284686.

Adding to 120313321 its reverse (123313021), we get a palindrome (243626342).

The spelling of 120313321 in words is "one hundred twenty million, three hundred thirteen thousand, three hundred twenty-one".