342042133 has 4 divisors (see below), whose sum is σ = 342641728. Its totient is φ = 341442540.

The previous prime is 342042121. The next prime is 342042137. The reversal of 342042133 is 331240243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342042133 - 2⁵ = 342042101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342042137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298941 + ... + 300082.

It is an arithmetic number, because the mean of its divisors is an integer number (85660432).

Almost surely, 2^342042133 is an apocalyptic number.

It is an amenable number.

342042133 is a deficient number, since it is larger than the sum of its proper divisors (599595).

342042133 is an equidigital number, since it uses as much as digits as its factorization.

342042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599594.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 342042133 is about 18494.3811196806. The cubic root of 342042133 is about 699.3477822876.

Adding to 342042133 its reverse (331240243), we get a palindrome (673282376).

The spelling of 342042133 in words is "three hundred forty-two million, forty-two thousand, one hundred thirty-three".