142031033321 has 2 divisors, whose sum is σ = 142031033322. Its totient is φ = 142031033320.

The previous prime is 142031033293. The next prime is 142031033357. The reversal of 142031033321 is 123330130241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101655757225 + 40375276096 = 318835^2 + 200936^2 .

It is an emirp because it is prime and its reverse (123330130241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142031033321 - 2⁶ = 142031033257 is a prime.

It is not a weakly prime, because it can be changed into another prime (142031033381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015516660 + 71015516661.

It is an arithmetic number, because the mean of its divisors is an integer number (71015516661).

Almost surely, 2^142031033321 is an apocalyptic number.

It is an amenable number.

142031033321 is a deficient number, since it is larger than the sum of its proper divisors (1).

142031033321 is an equidigital number, since it uses as much as digits as its factorization.

142031033321 is an evil number, because the sum of its binary digits is even.

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

Adding to 142031033321 its reverse (123330130241), we get a palindrome (265361163562).

The spelling of 142031033321 in words is "one hundred forty-two billion, thirty-one million, thirty-three thousand, three hundred twenty-one".