120031331 has 6 divisors (see below), whose sum is σ = 139628340. Its totient is φ = 102883956.

The previous prime is 120031321. The next prime is 120031357. The reversal of 120031331 is 133130021.

It is not a de Polignac number, because 120031331 - 2⁶ = 120031267 is a prime.

It is a super-2 number, since 2×120031331² = 28815040843263122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224761 + ... + 1224858.

It is an arithmetic number, because the mean of its divisors is an integer number (23271390).

Almost surely, 2^120031331 is an apocalyptic number.

120031331 is a deficient number, since it is larger than the sum of its proper divisors (19597009).

120031331 is an equidigital number, since it uses as much as digits as its factorization.

120031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449633 (or 2449626 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 120031331 is about 10955.8811147256. The cubic root of 120031331 is about 493.2853382921.

Adding to 120031331 its reverse (133130021), we get a palindrome (253161352).

The spelling of 120031331 in words is "one hundred twenty million, thirty-one thousand, three hundred thirty-one".