120311321 has 8 divisors (see below), whose sum is σ = 135199680. Its totient is φ = 106227792.

The previous prime is 120311273. The next prime is 120311351. The reversal of 120311321 is 123113021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120311321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120311296 and 120311305.

It is not an unprimeable number, because it can be changed into a prime (120311351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200891 + ... + 201488.

It is an arithmetic number, because the mean of its divisors is an integer number (16899960).

Almost surely, 2^120311321 is an apocalyptic number.

It is an amenable number.

120311321 is a deficient number, since it is larger than the sum of its proper divisors (14888359).

120311321 is a wasteful number, since it uses less digits than its factorization.

120311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402415.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120311321 is about 10968.6517403006. The cubic root of 120311321 is about 493.6685929773.

Adding to 120311321 its reverse (123113021), we get a palindrome (243424342).

The spelling of 120311321 in words is "one hundred twenty million, three hundred eleven thousand, three hundred twenty-one".