342043211431 has 2 divisors, whose sum is σ = 342043211432. Its totient is φ = 342043211430.

The previous prime is 342043211429. The next prime is 342043211437. The reversal of 342043211431 is 134112340243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342043211431 - 2¹ = 342043211429 is a prime.

It is a super-2 number, since 2×342043211431² (a number of 24 digits) contains 22 as substring.

Together with 342043211429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 342043211431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342043211437) 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 as a sum of consecutive naturals, namely, 171021605715 + 171021605716.

It is an arithmetic number, because the mean of its divisors is an integer number (171021605716).

Almost surely, 2^342043211431 is an apocalyptic number.

342043211431 is a deficient number, since it is larger than the sum of its proper divisors (1).

342043211431 is an equidigital number, since it uses as much as digits as its factorization.

342043211431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 342043211431 its reverse (134112340243), we get a palindrome (476155551674).

The spelling of 342043211431 in words is "three hundred forty-two billion, forty-three million, two hundred eleven thousand, four hundred thirty-one".