120331021231 has 8 divisors (see below), whose sum is σ = 125914971744. Its totient is φ = 114869795040.

The previous prime is 120331021199. The next prime is 120331021243. The reversal of 120331021231 is 132120133021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120331021231 - 2⁵ = 120331021199 is a prime.

It is a super-2 number, since 2×120331021231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120331021199 and 120331021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120331028231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30679075 + ... + 30682996.

It is an arithmetic number, because the mean of its divisors is an integer number (15739371468).

Almost surely, 2^120331021231 is an apocalyptic number.

120331021231 is a deficient number, since it is larger than the sum of its proper divisors (5583950513).

120331021231 is an equidigital number, since it uses as much as digits as its factorization.

120331021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61362161.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120331021231 its reverse (132120133021), we get a palindrome (252451154252).

The spelling of 120331021231 in words is "one hundred twenty billion, three hundred thirty-one million, twenty-one thousand, two hundred thirty-one".