342042653021 has 8 divisors (see below), whose sum is σ = 346407803064. Its totient is φ = 337696691200.

The previous prime is 342042652993. The next prime is 342042653023. The reversal of 342042653021 is 120356240243.

It can be written as a sum of positive squares in 4 ways, for example, as 84396060100 + 257646592921 = 290510^2 + 507589^2 .

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 342042653021 - 2³⁰ = 340968911197 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 (342042653023) 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, 4761176 + ... + 4832481.

It is an arithmetic number, because the mean of its divisors is an integer number (43300975383).

Almost surely, 2^342042653021 is an apocalyptic number.

It is an amenable number.

342042653021 is a deficient number, since it is larger than the sum of its proper divisors (4365150043).

342042653021 is a wasteful number, since it uses less digits than its factorization.

342042653021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594111.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 342042653021 its reverse (120356240243), we get a palindrome (462398893264).

The spelling of 342042653021 in words is "three hundred forty-two billion, forty-two million, six hundred fifty-three thousand, twenty-one".