321382412836 has 27 divisors (see below), whose sum is σ = 566828400019. Its totient is φ = 159441178688.

The previous prime is 321382412833. The next prime is 321382412887. The reversal of 321382412836 is 638214283123.

The square root of 321382412836 is 566906.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 26377008100 + 295005404736 = 162410^2 + 543144^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321382412792 and 321382412801.

It is not an unprimeable number, because it can be changed into a prime (321382412831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 155331210 + ... + 155333278.

Almost surely, 2^321382412836 is an apocalyptic number.

321382412836 is the 566906-th square number.

It is an amenable number.

321382412836 is a deficient number, since it is larger than the sum of its proper divisors (245445987183).

321382412836 is an frugal number, since it uses more digits than its factorization.

321382412836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 2208 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

Adding to 321382412836 its reverse (638214283123), we get a palindrome (959596695959).

The spelling of 321382412836 in words is "three hundred twenty-one billion, three hundred eighty-two million, four hundred twelve thousand, eight hundred thirty-six".