321321342234 has 16 divisors (see below), whose sum is σ = 643074876288. Its totient is φ = 107035082112.

The previous prime is 321321342233. The next prime is 321321342257. The reversal of 321321342234 is 432243123123.

It is a happy number.

It is a super-2 number, since 2×321321342234² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321321342233) 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, 17998327 + ... + 18016170.

It is an arithmetic number, because the mean of its divisors is an integer number (40192179768).

Almost surely, 2^321321342234 is an apocalyptic number.

321321342234 is an abundant number, since it is smaller than the sum of its proper divisors (321753534054).

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

321321342234 is a wasteful number, since it uses less digits than its factorization.

321321342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36015989.

The product of its digits is 20736, while the sum is 30.

Adding to 321321342234 its reverse (432243123123), we get a palindrome (753564465357).

The spelling of 321321342234 in words is "three hundred twenty-one billion, three hundred twenty-one million, three hundred forty-two thousand, two hundred thirty-four".