342134341431321 has 4 divisors (see below), whose sum is σ = 456179121908432. Its totient is φ = 228089560954212.

The previous prime is 342134341431241. The next prime is 342134341431341. The reversal of 342134341431321 is 123134143431243.

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 not a de Polignac number, because 342134341431321 - 2¹⁹ = 342134340907033 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 342134341431321.

It is not an unprimeable number, because it can be changed into a prime (342134341431341) 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, 57022390238551 + ... + 57022390238556.

It is an arithmetic number, because the mean of its divisors is an integer number (114044780477108).

Almost surely, 2^{342134341431321} is an apocalyptic number.

It is an amenable number.

342134341431321 is a deficient number, since it is larger than the sum of its proper divisors (114044780477111).

342134341431321 is a wasteful number, since it uses less digits than its factorization.

342134341431321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114044780477110.

The product of its digits is 248832, while the sum is 39.

Adding to 342134341431321 its reverse (123134143431243), we get a palindrome (465268484862564).

The spelling of 342134341431321 in words is "three hundred forty-two trillion, one hundred thirty-four billion, three hundred forty-one million, four hundred thirty-one thousand, three hundred twenty-one".