342300134021 has 4 divisors (see below), whose sum is σ = 342305407500. Its totient is φ = 342294860544.

The previous prime is 342300133993. The next prime is 342300134041. The reversal of 342300134021 is 120431003243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319180931521 + 23119202500 = 564961^2 + 152050^2 .

It is a cyclic number.

It is not a de Polignac number, because 342300134021 - 2⁶ = 342300133957 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 (342300134041) 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, 2538146 + ... + 2669603.

It is an arithmetic number, because the mean of its divisors is an integer number (85576351875).

Almost surely, 2^342300134021 is an apocalyptic number.

It is an amenable number.

342300134021 is a deficient number, since it is larger than the sum of its proper divisors (5273479).

342300134021 is an equidigital number, since it uses as much as digits as its factorization.

342300134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273478.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 342300134021 its reverse (120431003243), we get a palindrome (462731137264).

The spelling of 342300134021 in words is "three hundred forty-two billion, three hundred million, one hundred thirty-four thousand, twenty-one".