342112005 has 80 divisors (see below), whose sum is σ = 673960320. Its totient is φ = 165255552.

The previous prime is 342112003. The next prime is 342112007. The reversal of 342112005 is 500211243.

It is an interprime number because it is at equal distance from previous prime (342112003) and next prime (342112007).

It is not a de Polignac number, because 342112005 - 2¹ = 342112003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342112003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 176019 + ... + 177951.

It is an arithmetic number, because the mean of its divisors is an integer number (8424504).

Almost surely, 2^342112005 is an apocalyptic number.

It is an amenable number.

342112005 is a deficient number, since it is larger than the sum of its proper divisors (331848315).

342112005 is a wasteful number, since it uses less digits than its factorization.

342112005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 342112005 is about 18496.2700293870. The cubic root of 342112005 is about 699.3953997169.

Adding to 342112005 its reverse (500211243), we get a palindrome (842323248).

The spelling of 342112005 in words is "three hundred forty-two million, one hundred twelve thousand, five".