342237019 has 2 divisors, whose sum is σ = 342237020. Its totient is φ = 342237018.

The previous prime is 342237011. The next prime is 342237029. The reversal of 342237019 is 910732243.

It is a weak prime.

It is an emirp because it is prime and its reverse (910732243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342237019 - 2³ = 342237011 is a prime.

It is a super-2 number, since 2×342237019² = 234252354348012722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342237011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171118509 + 171118510.

It is an arithmetic number, because the mean of its divisors is an integer number (171118510).

Almost surely, 2^342237019 is an apocalyptic number.

342237019 is a deficient number, since it is larger than the sum of its proper divisors (1).

342237019 is an equidigital number, since it uses as much as digits as its factorization.

342237019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 342237019 is about 18499.6491588354. The cubic root of 342237019 is about 699.4805799769.

The spelling of 342237019 in words is "three hundred forty-two million, two hundred thirty-seven thousand, nineteen".