321004011001442 has 4 divisors (see below), whose sum is σ = 481506016502166. Its totient is φ = 160502005500720.

The previous prime is 321004011001409. The next prime is 321004011001447. The reversal of 321004011001442 is 244100110400123.

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., 228210844009201 + 92793166992241 = 15106649^2 + 9632921^2 .

It is not an unprimeable number, because it can be changed into a prime (321004011001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80251002750359 + ... + 80251002750362.

Almost surely, 2^{321004011001442} is an apocalyptic number.

321004011001442 is a deficient number, since it is larger than the sum of its proper divisors (160502005500724).

321004011001442 is a wasteful number, since it uses less digits than its factorization.

321004011001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160502005500723.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 321004011001442 its reverse (244100110400123), we get a palindrome (565104121401565).

The spelling of 321004011001442 in words is "three hundred twenty-one trillion, four billion, eleven million, one thousand, four hundred forty-two".