142204223231 has 16 divisors (see below), whose sum is σ = 164978096640. Its totient is φ = 120045831840.

The previous prime is 142204223177. The next prime is 142204223243. The reversal of 142204223231 is 132322402241.

142204223231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142204223231 - 2¹⁰ = 142204222207 is a prime.

It is a super-2 number, since 2×142204223231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142204223231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204123231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519225 + ... + 2575053.

It is an arithmetic number, because the mean of its divisors is an integer number (10311131040).

Almost surely, 2^142204223231 is an apocalyptic number.

142204223231 is a deficient number, since it is larger than the sum of its proper divisors (22773873409).

142204223231 is an equidigital number, since it uses as much as digits as its factorization.

142204223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61334.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142204223231 its reverse (132322402241), we get a palindrome (274526625472).

The spelling of 142204223231 in words is "one hundred forty-two billion, two hundred four million, two hundred twenty-three thousand, two hundred thirty-one".