342400319 has 2 divisors, whose sum is σ = 342400320. Its totient is φ = 342400318.

The previous prime is 342400313. The next prime is 342400343. The reversal of 342400319 is 913004243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342400319 is a prime.

It is a super-2 number, since 2×342400319² = 234475956902603522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342400313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171200159 + 171200160.

It is an arithmetic number, because the mean of its divisors is an integer number (171200160).

Almost surely, 2^342400319 is an apocalyptic number.

342400319 is a deficient number, since it is larger than the sum of its proper divisors (1).

342400319 is an equidigital number, since it uses as much as digits as its factorization.

342400319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 342400319 is about 18504.0622296835. The cubic root of 342400319 is about 699.5918157672.

The spelling of 342400319 in words is "three hundred forty-two million, four hundred thousand, three hundred nineteen".