342443771 has 2 divisors, whose sum is σ = 342443772. Its totient is φ = 342443770.

The previous prime is 342443719. The next prime is 342443789. The reversal of 342443771 is 177344243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342443771 - 2¹⁴ = 342427387 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_18419219 and since 342443771 and 18419219 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (342443071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171221885 + 171221886.

It is an arithmetic number, because the mean of its divisors is an integer number (171221886).

Almost surely, 2^342443771 is an apocalyptic number.

342443771 is a deficient number, since it is larger than the sum of its proper divisors (1).

342443771 is an equidigital number, since it uses as much as digits as its factorization.

342443771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 35.

The square root of 342443771 is about 18505.2363130007. The cubic root of 342443771 is about 699.6214082024.

The spelling of 342443771 in words is "three hundred forty-two million, four hundred forty-three thousand, seven hundred seventy-one".