120116331 has 16 divisors (see below), whose sum is σ = 178262400. Its totient is φ = 79937064.

The previous prime is 120116323. The next prime is 120116357. The reversal of 120116331 is 133611021.

120116331 is a `hidden beast` number, since 1 + 20 + 11 + 633 + 1 = 666.

It is not a de Polignac number, because 120116331 - 2³ = 120116323 is a prime.

It is a super-2 number, since 2×120116331² = 28855865945803122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120116431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13120 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (11141400).

Almost surely, 2^120116331 is an apocalyptic number.

120116331 is a deficient number, since it is larger than the sum of its proper divisors (58146069).

120116331 is an equidigital number, since it uses as much as digits as its factorization.

120116331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815 (or 7809 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 120116331 is about 10959.7596232764. The cubic root of 120116331 is about 493.4017505652.

Adding to 120116331 its reverse (133611021), we get a palindrome (253727352).

The spelling of 120116331 in words is "one hundred twenty million, one hundred sixteen thousand, three hundred thirty-one".