342312847 has 2 divisors, whose sum is σ = 342312848. Its totient is φ = 342312846.

The previous prime is 342312829. The next prime is 342312869. The reversal of 342312847 is 748213243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342312847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342312247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171156423 + 171156424.

It is an arithmetic number, because the mean of its divisors is an integer number (171156424).

Almost surely, 2^342312847 is an apocalyptic number.

342312847 is a deficient number, since it is larger than the sum of its proper divisors (1).

342312847 is an equidigital number, since it uses as much as digits as its factorization.

342312847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 342312847 is about 18501.6984895982. The cubic root of 342312847 is about 699.5322364739.

The spelling of 342312847 in words is "three hundred forty-two million, three hundred twelve thousand, eight hundred forty-seven".