120311343 has 24 divisors (see below), whose sum is σ = 184176720. Its totient is φ = 75546240.

The previous prime is 120311273. The next prime is 120311351. The reversal of 120311343 is 343113021.

120311343 is a `hidden beast` number, since 12 + 0 + 311 + 343 = 666.

It is not a de Polignac number, because 120311343 - 2¹⁰ = 120310319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321343) 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 23 ways as a sum of consecutive naturals, for example, 5080 + ... + 16322.

It is an arithmetic number, because the mean of its divisors is an integer number (7674030).

Almost surely, 2^120311343 is an apocalyptic number.

120311343 is a deficient number, since it is larger than the sum of its proper divisors (63865377).

120311343 is a wasteful number, since it uses less digits than its factorization.

120311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319 (or 11316 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 120311343 is about 10968.6527431586. The cubic root of 120311343 is about 493.6686230679.

Adding to 120311343 its reverse (343113021), we get a palindrome (463424364).

The spelling of 120311343 in words is "one hundred twenty million, three hundred eleven thousand, three hundred forty-three".