142032201321 has 4 divisors (see below), whose sum is σ = 189376268432. Its totient is φ = 94688134212.

The previous prime is 142032201317. The next prime is 142032201331. The reversal of 142032201321 is 123102230241.

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 not a de Polignac number, because 142032201321 - 2² = 142032201317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142032201301) 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, 23672033551 + ... + 23672033556.

It is an arithmetic number, because the mean of its divisors is an integer number (47344067108).

Almost surely, 2^142032201321 is an apocalyptic number.

It is an amenable number.

142032201321 is a deficient number, since it is larger than the sum of its proper divisors (47344067111).

142032201321 is an equidigital number, since it uses as much as digits as its factorization.

142032201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47344067110.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 142032201321 its reverse (123102230241), we get a palindrome (265134431562).

The spelling of 142032201321 in words is "one hundred forty-two billion, thirty-two million, two hundred one thousand, three hundred twenty-one".