340031303243 has 2 divisors, whose sum is σ = 340031303244. Its totient is φ = 340031303242.

The previous prime is 340031303147. The next prime is 340031303309. The reversal of 340031303243 is 342303130043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340031303243 - 2³⁰ = 338957561419 is a prime.

It is not a weakly prime, because it can be changed into another prime (340031303743) 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, 170015651621 + 170015651622.

It is an arithmetic number, because the mean of its divisors is an integer number (170015651622).

Almost surely, 2^340031303243 is an apocalyptic number.

340031303243 is a deficient number, since it is larger than the sum of its proper divisors (1).

340031303243 is an equidigital number, since it uses as much as digits as its factorization.

340031303243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 340031303243 its reverse (342303130043), we get a palindrome (682334433286).

The spelling of 340031303243 in words is "three hundred forty billion, thirty-one million, three hundred three thousand, two hundred forty-three".