120431243321 has 4 divisors (see below), whose sum is σ = 120434413200. Its totient is φ = 120428073444.

The previous prime is 120431243287. The next prime is 120431243333. The reversal of 120431243321 is 123342134021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120431243321 - 2³⁴ = 103251374137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120431243341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527251 + ... + 1604168.

It is an arithmetic number, because the mean of its divisors is an integer number (30108603300).

Almost surely, 2^120431243321 is an apocalyptic number.

It is an amenable number.

120431243321 is a deficient number, since it is larger than the sum of its proper divisors (3169879).

120431243321 is an equidigital number, since it uses as much as digits as its factorization.

120431243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169878.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 120431243321 its reverse (123342134021), we get a palindrome (243773377342).

The spelling of 120431243321 in words is "one hundred twenty billion, four hundred thirty-one million, two hundred forty-three thousand, three hundred twenty-one".