342311839 has 2 divisors, whose sum is σ = 342311840. Its totient is φ = 342311838.

The previous prime is 342311807. The next prime is 342311843. The reversal of 342311839 is 938113243.

It is a strong prime.

It is an emirp because it is prime and its reverse (938113243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342311839 - 2⁵ = 342311807 is a prime.

It is a super-3 number, since 3×342311839³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342311869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171155919 + 171155920.

It is an arithmetic number, because the mean of its divisors is an integer number (171155920).

Almost surely, 2^342311839 is an apocalyptic number.

342311839 is a deficient number, since it is larger than the sum of its proper divisors (1).

342311839 is an equidigital number, since it uses as much as digits as its factorization.

342311839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 342311839 is about 18501.6712488359. The cubic root of 342311839 is about 699.5315498416.

The spelling of 342311839 in words is "three hundred forty-two million, three hundred eleven thousand, eight hundred thirty-nine".