342120215 has 8 divisors (see below), whose sum is σ = 411866208. Its totient is φ = 272814880.

The previous prime is 342120197. The next prime is 342120217. The reversal of 342120215 is 512021243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342120215 - 2¹⁴ = 342103831 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 (342120217) 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, 108452 + ... + 111561.

It is an arithmetic number, because the mean of its divisors is an integer number (51483276).

Almost surely, 2^342120215 is an apocalyptic number.

342120215 is a deficient number, since it is larger than the sum of its proper divisors (69745993).

342120215 is a wasteful number, since it uses less digits than its factorization.

342120215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220329.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 342120215 is about 18496.4919646943. The cubic root of 342120215 is about 699.4009943664.

Adding to 342120215 its reverse (512021243), we get a palindrome (854141458).

The spelling of 342120215 in words is "three hundred forty-two million, one hundred twenty thousand, two hundred fifteen".