342141330421 has 24 divisors (see below), whose sum is σ = 400637930112. Its totient is φ = 290945001600.

The previous prime is 342141330403. The next prime is 342141330431. The reversal of 342141330421 is 124033141243.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-342141330421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342141330421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342141330431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174925 + ... + 845506.

It is an arithmetic number, because the mean of its divisors is an integer number (16693247088).

Almost surely, 2^342141330421 is an apocalyptic number.

It is an amenable number.

342141330421 is a deficient number, since it is larger than the sum of its proper divisors (58496599691).

342141330421 is a wasteful number, since it uses less digits than its factorization.

342141330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020633 (or 1020622 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 342141330421 its reverse (124033141243), we get a palindrome (466174471664).

The spelling of 342141330421 in words is "three hundred forty-two billion, one hundred forty-one million, three hundred thirty thousand, four hundred twenty-one".