340312142020379 has 2 divisors, whose sum is σ = 340312142020380. Its totient is φ = 340312142020378.

The previous prime is 340312142020313. The next prime is 340312142020381. The reversal of 340312142020379 is 973020241213043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340312142020379 - 2¹² = 340312142016283 is a prime.

Together with 340312142020381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340312142020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170156071010189 + 170156071010190.

It is an arithmetic number, because the mean of its divisors is an integer number (170156071010190).

Almost surely, 2^{340312142020379} is an apocalyptic number.

340312142020379 is a deficient number, since it is larger than the sum of its proper divisors (1).

340312142020379 is an equidigital number, since it uses as much as digits as its factorization.

340312142020379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 340312142020379 in words is "three hundred forty trillion, three hundred twelve billion, one hundred forty-two million, twenty thousand, three hundred seventy-nine".