342431279 has 2 divisors, whose sum is σ = 342431280. Its totient is φ = 342431278.

The previous prime is 342431273. The next prime is 342431311. The reversal of 342431279 is 972134243.

It is a weak prime.

It is an emirp because it is prime and its reverse (972134243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342431279 - 2²⁰ = 341382703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342431273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171215639 + 171215640.

It is an arithmetic number, because the mean of its divisors is an integer number (171215640).

Almost surely, 2^342431279 is an apocalyptic number.

342431279 is a deficient number, since it is larger than the sum of its proper divisors (1).

342431279 is an equidigital number, since it uses as much as digits as its factorization.

342431279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 342431279 is about 18504.8987838356. The cubic root of 342431279 is about 699.6129009402.

The spelling of 342431279 in words is "three hundred forty-two million, four hundred thirty-one thousand, two hundred seventy-nine".