321201342 has 64 divisors (see below), whose sum is σ = 889920000. Its totient is φ = 83427840.

The previous prime is 321201317. The next prime is 321201343. The reversal of 321201342 is 243102123.

321201342 is a `hidden beast` number, since 321 + 2 + 0 + 1 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321201343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34467 + ... + 42782.

It is an arithmetic number, because the mean of its divisors is an integer number (13905000).

Almost surely, 2^321201342 is an apocalyptic number.

321201342 is an abundant number, since it is smaller than the sum of its proper divisors (568718658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321201342 is a wasteful number, since it uses less digits than its factorization.

321201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77278 (or 77272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 321201342 is about 17922.0908936430. The cubic root of 321201342 is about 684.8452539073.

Adding to 321201342 its reverse (243102123), we get a palindrome (564303465).

The spelling of 321201342 in words is "three hundred twenty-one million, two hundred one thousand, three hundred forty-two".