142330130321 has 8 divisors (see below), whose sum is σ = 145050220584. Its totient is φ = 139611322240.

The previous prime is 142330130317. The next prime is 142330130401. The reversal of 142330130321 is 123031033241.

It can be written as a sum of positive squares in 4 ways, for example, as 66946387600 + 75383742721 = 258740^2 + 274561^2 .

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 142330130321 - 2² = 142330130317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142330133321) 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 7 ways as a sum of consecutive naturals, for example, 94910 + ... + 541911.

It is an arithmetic number, because the mean of its divisors is an integer number (18131277573).

Almost surely, 2^142330130321 is an apocalyptic number.

It is an amenable number.

142330130321 is a deficient number, since it is larger than the sum of its proper divisors (2720090263).

142330130321 is an equidigital number, since it uses as much as digits as its factorization.

142330130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641091.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 142330130321 its reverse (123031033241), we get a palindrome (265361163562).

The spelling of 142330130321 in words is "one hundred forty-two billion, three hundred thirty million, one hundred thirty thousand, three hundred twenty-one".