1442340043431 has 8 divisors (see below), whose sum is σ = 2197851494784. Its totient is φ = 824194310520.

The previous prime is 1442340043423. The next prime is 1442340043471. The reversal of 1442340043431 is 1343400432441.

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

It is not a de Polignac number, because 1442340043431 - 2³ = 1442340043423 is a prime.

It is a super-2 number, since 2×1442340043431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442340043392 and 1442340043401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442340043471) 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 7 ways as a sum of consecutive naturals, for example, 34341429585 + ... + 34341429626.

It is an arithmetic number, because the mean of its divisors is an integer number (274731436848).

Almost surely, 2^{1442340043431} is an apocalyptic number.

1442340043431 is a deficient number, since it is larger than the sum of its proper divisors (755511451353).

1442340043431 is an equidigital number, since it uses as much as digits as its factorization.

1442340043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68682859221.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1442340043431 its reverse (1343400432441), we get a palindrome (2785740475872).

The spelling of 1442340043431 in words is "one trillion, four hundred forty-two billion, three hundred forty million, forty-three thousand, four hundred thirty-one".