1331143134442 has 16 divisors (see below), whose sum is σ = 2272940056512. Its totient is φ = 578757884320.

The previous prime is 1331143134407. The next prime is 1331143134443. The reversal of 1331143134442 is 2444313411331.

It is a junction number, because it is equal to n+sod(n) for n = 1331143134398 and 1331143134407.

It is not an unprimeable number, because it can be changed into a prime (1331143134443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315358323 + ... + 1315359334.

It is an arithmetic number, because the mean of its divisors is an integer number (142058753532).

Almost surely, 2^{1331143134442} is an apocalyptic number.

1331143134442 is a deficient number, since it is larger than the sum of its proper divisors (941796922070).

1331143134442 is a wasteful number, since it uses less digits than its factorization.

1331143134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630717693.

The product of its digits is 41472, while the sum is 34.

Adding to 1331143134442 its reverse (2444313411331), we get a palindrome (3775456545773).

The spelling of 1331143134442 in words is "one trillion, three hundred thirty-one billion, one hundred forty-three million, one hundred thirty-four thousand, four hundred forty-two".