120143313 has 6 divisors (see below), whose sum is σ = 173540354. Its totient is φ = 80095536.

The previous prime is 120143311. The next prime is 120143347. The reversal of 120143313 is 313341021.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 59490369 = 7788^2 + 7713^2 .

It is not a de Polignac number, because 120143313 - 2¹ = 120143311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120143311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6674620 + ... + 6674637.

Almost surely, 2^120143313 is an apocalyptic number.

It is an amenable number.

120143313 is a deficient number, since it is larger than the sum of its proper divisors (53397041).

120143313 is a wasteful number, since it uses less digits than its factorization.

120143313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349263 (or 13349260 counting only the distinct ones).

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

The square root of 120143313 is about 10960.9905118105. The cubic root of 120143313 is about 493.4386924454.

Adding to 120143313 its reverse (313341021), we get a palindrome (433484334).

The spelling of 120143313 in words is "one hundred twenty million, one hundred forty-three thousand, three hundred thirteen".