120321011331 has 16 divisors (see below), whose sum is σ = 179919273600. Its totient is φ = 79464342024.

The previous prime is 120321011323. The next prime is 120321011347. The reversal of 120321011331 is 133110123021.

120321011331 is a `hidden beast` number, since 1 + 2 + 0 + 321 + 0 + 11 + 331 = 666.

It is not a de Polignac number, because 120321011331 - 2³ = 120321011323 is a prime.

It is a super-3 number, since 3×120321011331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (120321011311) 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 15 ways as a sum of consecutive naturals, for example, 20821101 + ... + 20826878.

It is an arithmetic number, because the mean of its divisors is an integer number (11244954600).

Almost surely, 2^120321011331 is an apocalyptic number.

120321011331 is a deficient number, since it is larger than the sum of its proper divisors (59598262269).

120321011331 is a wasteful number, since it uses less digits than its factorization.

120321011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41648095 (or 41648089 counting only the distinct ones).

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

Adding to 120321011331 its reverse (133110123021), we get a palindrome (253431134352).

The spelling of 120321011331 in words is "one hundred twenty billion, three hundred twenty-one million, eleven thousand, three hundred thirty-one".