321304021131041 has 4 divisors (see below), whose sum is σ = 346019715064212. Its totient is φ = 296588327197872.

The previous prime is 321304021131031. The next prime is 321304021131077. The reversal of 321304021131041 is 140131120403123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30358678436641 + 290945342694400 = 5509871^2 + 17057120^2 .

It is a cyclic number.

It is not a de Polignac number, because 321304021131041 - 2³⁰ = 321302947389217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321304021131041.

It is not an unprimeable number, because it can be changed into a prime (321304021131001) 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, 12357846966566 + ... + 12357846966591.

It is an arithmetic number, because the mean of its divisors is an integer number (86504928766053).

Almost surely, 2^{321304021131041} is an apocalyptic number.

It is an amenable number.

321304021131041 is a deficient number, since it is larger than the sum of its proper divisors (24715693933171).

321304021131041 is a wasteful number, since it uses less digits than its factorization.

321304021131041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24715693933170.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 321304021131041 its reverse (140131120403123), we get a palindrome (461435141534164).

The spelling of 321304021131041 in words is "three hundred twenty-one trillion, three hundred four billion, twenty-one million, one hundred thirty-one thousand, forty-one".