321121342 has 8 divisors (see below), whose sum is σ = 482714856. Its totient is φ = 160216392.

The previous prime is 321121309. The next prime is 321121351. The reversal of 321121342 is 243121123.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170973 + ... + 172840.

It is an arithmetic number, because the mean of its divisors is an integer number (60339357).

Almost surely, 2^321121342 is an apocalyptic number.

321121342 is a deficient number, since it is larger than the sum of its proper divisors (161593514).

321121342 is a wasteful number, since it uses less digits than its factorization.

321121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344282.

The product of its digits is 288, while the sum is 19.

The square root of 321121342 is about 17919.8588722121. The cubic root of 321121342 is about 684.7883922006.

Adding to 321121342 its reverse (243121123), we get a palindrome (564242465).

The spelling of 321121342 in words is "three hundred twenty-one million, one hundred twenty-one thousand, three hundred forty-two".