120321031331 has 4 divisors (see below), whose sum is σ = 120469393464. Its totient is φ = 120172669200.

The previous prime is 120321031319. The next prime is 120321031333. The reversal of 120321031331 is 133130123021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120321031331 - 2³⁰ = 119247289507 is a prime.

It is a super-2 number, since 2×120321031331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321031333) 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 3 ways as a sum of consecutive naturals, for example, 74179850 + ... + 74181471.

It is an arithmetic number, because the mean of its divisors is an integer number (30117348366).

Almost surely, 2^120321031331 is an apocalyptic number.

120321031331 is a deficient number, since it is larger than the sum of its proper divisors (148362133).

120321031331 is an equidigital number, since it uses as much as digits as its factorization.

120321031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148362132.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120321031331 its reverse (133130123021), we get a palindrome (253451154352).

The spelling of 120321031331 in words is "one hundred twenty billion, three hundred twenty-one million, thirty-one thousand, three hundred thirty-one".