120318331 has 4 divisors (see below), whose sum is σ = 137506672. Its totient is φ = 103129992.

The previous prime is 120318329. The next prime is 120318353. The reversal of 120318331 is 133813021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133813021 = 433 ⋅309037.

It is not a de Polignac number, because 120318331 - 2¹ = 120318329 is a prime.

It is a super-2 number, since 2×120318331² = 28953001549251122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120318311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8594160 + ... + 8594173.

It is an arithmetic number, because the mean of its divisors is an integer number (34376668).

Almost surely, 2^120318331 is an apocalyptic number.

120318331 is a deficient number, since it is larger than the sum of its proper divisors (17188341).

120318331 is an equidigital number, since it uses as much as digits as its factorization.

120318331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188340.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120318331 is about 10968.9712826682. The cubic root of 120318331 is about 493.6781807412.

The spelling of 120318331 in words is "one hundred twenty million, three hundred eighteen thousand, three hundred thirty-one".