1042321343113 has 4 divisors (see below), whose sum is σ = 1059408578308. Its totient is φ = 1025234107920.

The previous prime is 1042321343081. The next prime is 1042321343171. The reversal of 1042321343113 is 3113431232401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227712204864 + 814609138249 = 477192^2 + 902557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042321343113 - 2⁵ = 1042321343081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042321343183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8543617506 + ... + 8543617627.

It is an arithmetic number, because the mean of its divisors is an integer number (264852144577).

Almost surely, 2^{1042321343113} is an apocalyptic number.

It is an amenable number.

1042321343113 is a deficient number, since it is larger than the sum of its proper divisors (17087235195).

1042321343113 is an equidigital number, since it uses as much as digits as its factorization.

1042321343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087235194.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1042321343113 its reverse (3113431232401), we get a palindrome (4155752575514).

The spelling of 1042321343113 in words is "one trillion, forty-two billion, three hundred twenty-one million, three hundred forty-three thousand, one hundred thirteen".