340143442231 has 2 divisors, whose sum is σ = 340143442232. Its totient is φ = 340143442230.

The previous prime is 340143442229. The next prime is 340143442297. The reversal of 340143442231 is 132244341043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340143442231 - 2¹ = 340143442229 is a prime.

It is a super-2 number, since 2×340143442231² (a number of 24 digits) contains 22 as substring.

Together with 340143442229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 340143442193 and 340143442202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340143542231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170071721115 + 170071721116.

It is an arithmetic number, because the mean of its divisors is an integer number (170071721116).

Almost surely, 2^340143442231 is an apocalyptic number.

340143442231 is a deficient number, since it is larger than the sum of its proper divisors (1).

340143442231 is an equidigital number, since it uses as much as digits as its factorization.

340143442231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 340143442231 its reverse (132244341043), we get a palindrome (472387783274).

The spelling of 340143442231 in words is "three hundred forty billion, one hundred forty-three million, four hundred forty-two thousand, two hundred thirty-one".