120431130321 has 8 divisors (see below), whose sum is σ = 160883047584. Its totient is φ = 80133316640.

The previous prime is 120431130311. The next prime is 120431130343. The reversal of 120431130321 is 123031134021.

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 120431130321 - 2¹⁸ = 120430868177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120431130311) 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, 38524071 + ... + 38527196.

It is an arithmetic number, because the mean of its divisors is an integer number (20110380948).

Almost surely, 2^120431130321 is an apocalyptic number.

It is an amenable number.

120431130321 is a deficient number, since it is larger than the sum of its proper divisors (40451917263).

120431130321 is an equidigital number, since it uses as much as digits as its factorization.

120431130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77051791.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120431130321 its reverse (123031134021), we get a palindrome (243462264342).

The spelling of 120431130321 in words is "one hundred twenty billion, four hundred thirty-one million, one hundred thirty thousand, three hundred twenty-one".