321322310134 has 48 divisors (see below), whose sum is σ = 563256976608. Its totient is φ = 137477495232.

The previous prime is 321322310087. The next prime is 321322310149. The reversal of 321322310134 is 431013223123.

It is a junction number, because it is equal to n+sod(n) for n = 321322310099 and 321322310108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20732092 + ... + 20747584.

It is an arithmetic number, because the mean of its divisors is an integer number (11734520346).

Almost surely, 2^321322310134 is an apocalyptic number.

321322310134 is a deficient number, since it is larger than the sum of its proper divisors (241934666474).

321322310134 is an frugal number, since it uses more digits than its factorization.

321322310134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16147 (or 16119 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 321322310134 its reverse (431013223123), we get a palindrome (752335533257).

The spelling of 321322310134 in words is "three hundred twenty-one billion, three hundred twenty-two million, three hundred ten thousand, one hundred thirty-four".