321220231010434 has 32 divisors (see below), whose sum is σ = 567538937602560. Its totient is φ = 133500636399168.

The previous prime is 321220231010431. The next prime is 321220231010447. The reversal of 321220231010434 is 434010132022123.

It is not an unprimeable number, because it can be changed into a prime (321220231010431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239270677 + ... + 2239414120.

It is an arithmetic number, because the mean of its divisors is an integer number (17735591800080).

Almost surely, 2^{321220231010434} is an apocalyptic number.

321220231010434 is a deficient number, since it is larger than the sum of its proper divisors (246318706592126).

321220231010434 is a wasteful number, since it uses less digits than its factorization.

321220231010434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478684962.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321220231010434 its reverse (434010132022123), we get a palindrome (755230363032557).

The spelling of 321220231010434 in words is "three hundred twenty-one trillion, two hundred twenty billion, two hundred thirty-one million, ten thousand, four hundred thirty-four".