142304422231 has 8 divisors (see below), whose sum is σ = 144310801040. Its totient is φ = 140299584192.

The previous prime is 142304422229. The next prime is 142304422259. The reversal of 142304422231 is 132224403241.

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 142304422231 - 2¹ = 142304422229 is a prime.

It is a super-2 number, since 2×142304422231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142304422231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142304422291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198540 + ... + 569233.

It is an arithmetic number, because the mean of its divisors is an integer number (18038850130).

Almost surely, 2^142304422231 is an apocalyptic number.

142304422231 is a deficient number, since it is larger than the sum of its proper divisors (2006378809).

142304422231 is an equidigital number, since it uses as much as digits as its factorization.

142304422231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770385.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142304422231 its reverse (132224403241), we get a palindrome (274528825472).

The spelling of 142304422231 in words is "one hundred forty-two billion, three hundred four million, four hundred twenty-two thousand, two hundred thirty-one".