321243044002 has 4 divisors (see below), whose sum is σ = 481864566006. Its totient is φ = 160621522000.

The previous prime is 321243043993. The next prime is 321243044053. The reversal of 321243044002 is 200440342123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 243028294441 + 78214749561 = 492979^2 + 279669^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80310760999 + ... + 80310761002.

Almost surely, 2^321243044002 is an apocalyptic number.

321243044002 is a deficient number, since it is larger than the sum of its proper divisors (160621522004).

321243044002 is a wasteful number, since it uses less digits than its factorization.

321243044002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160621522003.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 321243044002 its reverse (200440342123), we get a palindrome (521683386125).

The spelling of 321243044002 in words is "three hundred twenty-one billion, two hundred forty-three million, forty-four thousand, two".