1100320143242 has 8 divisors (see below), whose sum is σ = 1650557704356. Its totient is φ = 550134241792.

The previous prime is 1100320143229. The next prime is 1100320143257. The reversal of 1100320143242 is 2423410230011.

It can be written as a sum of positive squares in 2 ways, for example, as 838870978201 + 261449165041 = 915899^2 + 511321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12861623 + ... + 12946890.

Almost surely, 2^{1100320143242} is an apocalyptic number.

1100320143242 is a deficient number, since it is larger than the sum of its proper divisors (550237561114).

1100320143242 is a wasteful number, since it uses less digits than its factorization.

1100320143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25829832.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1100320143242 its reverse (2423410230011), we get a palindrome (3523730373253).

The spelling of 1100320143242 in words is "one trillion, one hundred billion, three hundred twenty million, one hundred forty-three thousand, two hundred forty-two".