142224140311 has 64 divisors (see below), whose sum is σ = 169997667840.
Its totient is φ = 117593856000.
The previous prime is 142224140287. The next prime is 142224140339. The reversal of 142224140311 is 113041422241.
It is not a de Polignac number, because 142224140311 - 211 = 142224138263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142224140111) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165955395 + ... + 165956251.
It is an arithmetic number, because the mean of its divisors is an integer number (2656213560).
Almost surely, 2142224140311 is an apocalyptic number.
142224140311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142224140311 is a deficient number, since it is larger than the sum of its proper divisors (27773527529).
142224140311 is a wasteful number, since it uses less digits than its factorization.
142224140311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1216.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 142224140311 its reverse (113041422241), we get a palindrome (255265562552).
The spelling of 142224140311 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty thousand, three hundred eleven".