142311131242 has 16 divisors (see below), whose sum is σ = 243968952960. Its totient is φ = 60988731408.

The previous prime is 142311131231. The next prime is 142311131251. The reversal of 142311131242 is 242131113241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439059 + ... + 690937.

It is an arithmetic number, because the mean of its divisors is an integer number (15248059560).

Almost surely, 2^142311131242 is an apocalyptic number.

142311131242 is a deficient number, since it is larger than the sum of its proper divisors (101657821718).

142311131242 is a wasteful number, since it uses less digits than its factorization.

142311131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292245.

The product of its digits is 1152, while the sum is 25.

Adding to 142311131242 its reverse (242131113241), we get a palindrome (384442244483).

The spelling of 142311131242 in words is "one hundred forty-two billion, three hundred eleven million, one hundred thirty-one thousand, two hundred forty-two".