342095142321 has 9 divisors (see below), whose sum is σ = 494139962329. Its totient is φ = 228062258436.

The previous prime is 342095142287. The next prime is 342095142377. The reversal of 342095142321 is 123241590243.

The square root of 342095142321 is 584889.

It is a perfect power (a square), and thus also a powerful number.

342095142321 is a `hidden beast` number, since 3 + 4 + 209 + 5 + 1 + 423 + 21 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 342095142321 - 2⁹ = 342095141809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342095142421) 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 8 ways as a sum of consecutive naturals, for example, 1657186 + ... + 1852148.

Almost surely, 2^342095142321 is an apocalyptic number.

342095142321 is the 584889-th square number.

342095142321 is the 292445-th centered octagonal number.

It is an amenable number.

342095142321 is a deficient number, since it is larger than the sum of its proper divisors (152044820008).

342095142321 is an frugal number, since it uses more digits than its factorization.

342095142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389932 (or 194966 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Multiplying 342095142321 by its sum of digits (36), we get a square (12315425123556 = 3509334²).

It can be divided in two parts, 342095 and 142321, that added together give a square (484416 = 696²).

The spelling of 342095142321 in words is "three hundred forty-two billion, ninety-five million, one hundred forty-two thousand, three hundred twenty-one".