342317287 has 8 divisors (see below), whose sum is σ = 390334896. Its totient is φ = 297397632.

The previous prime is 342317263. The next prime is 342317317. The reversal of 342317287 is 782713243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342317287 - 2¹⁹ = 341792999 is a prime.

It is a super-2 number, since 2×342317287² = 234362249958080738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342317237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774253 + ... + 774694.

It is an arithmetic number, because the mean of its divisors is an integer number (48791862).

Almost surely, 2^342317287 is an apocalyptic number.

342317287 is a deficient number, since it is larger than the sum of its proper divisors (48017609).

342317287 is a wasteful number, since it uses less digits than its factorization.

342317287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548977.

The product of its digits is 56448, while the sum is 37.

The square root of 342317287 is about 18501.8184781929. The cubic root of 342317287 is about 699.5352609097.

The spelling of 342317287 in words is "three hundred forty-two million, three hundred seventeen thousand, two hundred eighty-seven".