321243332 has 12 divisors (see below), whose sum is σ = 563789100. Its totient is φ = 160160736.

The previous prime is 321243331. The next prime is 321243367. The reversal of 321243332 is 233342123.

It can be written as a sum of positive squares in 2 ways, for example, as 288456256 + 32787076 = 16984^2 + 5726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321243298 and 321243307.

It is not an unprimeable number, because it can be changed into a prime (321243331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113663 + ... + 116454.

It is an arithmetic number, because the mean of its divisors is an integer number (46982425).

Almost surely, 2^321243332 is an apocalyptic number.

It is an amenable number.

321243332 is a deficient number, since it is larger than the sum of its proper divisors (242545768).

321243332 is a wasteful number, since it uses less digits than its factorization.

321243332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230470 (or 230468 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 321243332 is about 17923.2623146569. The cubic root of 321243332 is about 684.8750954173.

Adding to 321243332 its reverse (233342123), we get a palindrome (554585455).

The spelling of 321243332 in words is "three hundred twenty-one million, two hundred forty-three thousand, three hundred thirty-two".