342121342 has 4 divisors (see below), whose sum is σ = 513182016. Its totient is φ = 171060670.

The previous prime is 342121337. The next prime is 342121357. The reversal of 342121342 is 243121243.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85530334 + ... + 85530337.

It is an arithmetic number, because the mean of its divisors is an integer number (128295504).

Almost surely, 2^342121342 is an apocalyptic number.

342121342 is a deficient number, since it is larger than the sum of its proper divisors (171060674).

342121342 is a wasteful number, since it uses less digits than its factorization.

342121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171060673.

The product of its digits is 1152, while the sum is 22.

The square root of 342121342 is about 18496.5224299056. The cubic root of 342121342 is about 699.4017623460.

Adding to 342121342 its reverse (243121243), we get a palindrome (585242585).

Subtracting from 342121342 its reverse (243121243), we obtain a palindrome (99000099).

The spelling of 342121342 in words is "three hundred forty-two million, one hundred twenty-one thousand, three hundred forty-two".