342031979 has 2 divisors, whose sum is σ = 342031980. Its totient is φ = 342031978.

The previous prime is 342031969. The next prime is 342032051. The reversal of 342031979 is 979130243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342031979 - 2²⁰ = 340983403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342031969) 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, 171015989 + 171015990.

It is an arithmetic number, because the mean of its divisors is an integer number (171015990).

Almost surely, 2^342031979 is an apocalyptic number.

342031979 is a deficient number, since it is larger than the sum of its proper divisors (1).

342031979 is an equidigital number, since it uses as much as digits as its factorization.

342031979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 342031979 is about 18494.1066018340. The cubic root of 342031979 is about 699.3408618462.

The spelling of 342031979 in words is "three hundred forty-two million, thirty-one thousand, nine hundred seventy-nine".