142342403430313 has 4 divisors (see below), whose sum is σ = 142342434021060. Its totient is φ = 142342372839568.

The previous prime is 142342403430299. The next prime is 142342403430317. The reversal of 142342403430313 is 313034304243241.

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 64181456436889 + 78160946993424 = 8011333^2 + 8840868^2 .

It is a cyclic number.

It is not a de Polignac number, because 142342403430313 - 2⁴⁵ = 107158031341481 is a prime.

It is a super-2 number, since 2×142342403430313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142342403430317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6708970 + ... + 18157507.

It is an arithmetic number, because the mean of its divisors is an integer number (35585608505265).

Almost surely, 2^{142342403430313} is an apocalyptic number.

It is an amenable number.

142342403430313 is a deficient number, since it is larger than the sum of its proper divisors (30590747).

142342403430313 is an equidigital number, since it uses as much as digits as its factorization.

142342403430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30590746.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 142342403430313 its reverse (313034304243241), we get a palindrome (455376707673554).

The spelling of 142342403430313 in words is "one hundred forty-two trillion, three hundred forty-two billion, four hundred three million, four hundred thirty thousand, three hundred thirteen".