321144044001 has 32 divisors (see below), whose sum is σ = 478660976640. Its totient is φ = 189826396800.

The previous prime is 321144043991. The next prime is 321144044003. The reversal of 321144044001 is 100440441123.

It is not a de Polignac number, because 321144044001 - 2⁷ = 321144043873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321144044003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4509396 + ... + 4580058.

It is an arithmetic number, because the mean of its divisors is an integer number (14958155520).

Almost surely, 2^321144044001 is an apocalyptic number.

It is an amenable number.

321144044001 is a deficient number, since it is larger than the sum of its proper divisors (157516932639).

321144044001 is a wasteful number, since it uses less digits than its factorization.

321144044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74077.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 321144044001 its reverse (100440441123), we get a palindrome (421584485124).

The spelling of 321144044001 in words is "three hundred twenty-one billion, one hundred forty-four million, forty-four thousand, one".